Geograph - photograph every grid square

Keeping the Geograph website operational requires many people to donate their time or resources, and we want to be sure that the website is a resource free from commercial exploitation in future. To that end, the site software is available for re-use under the terms of the GNU Public Licence (GPL).

Also, we require all submitters to adopt a Creative Commons Attribution-ShareAlike licence on their photographic submissions.
http://creativecommons.org/licenses/by-sa/2.0/

Under this licence the photographer keeps the copyright on their images but grants the right to anyone to copy and/or distribute and/or modify the image and its attached metadata, provided they give credit. This right to reuse the image may include someone printing and selling the image on Ebay or elsewhere.

On submission, contributors licence their images at one or more specific sizes. Once a licence is granted it is irrevocable, as that image and licence may legally have been downloaded and used elsewhere.

In a nutshell, we wanted to build a true community project that won't leave a nasty taste in the mouth by getting sold for shedloads of cash and taken away from the people who contributed. These licence terms ensure that the site and content can never be "taken away" from you. See Freedom - The Geograph Manifesto http://www.geograph.org.uk/help/freedom



(Developer? http://www.geograph.org.uk/article/Geograph-for-Developers )

The photo ID number may be found at the end of the address (URL) of the photo page e.g. http://www.geograph.org.uk/photo/1234567

Here's a quick link to the Ordnance Survey's beginner's guide to grid references: https://www.ordnancesurvey.co.uk/getoutside/guides/beginners-guide-to-grid-references/

Grid references locate places on the map. They consist of one (Ireland) or two (Great Britain) letters followed by an even number of digits. The letters define a (100x100)km^2 square (a 'myriad' in Geograph-speak) and are best looked up on an overview map. The numbers locate the position within that square. To find a location, split the block of numbers in two. The first block is the easting, i.e. the distance from the western edge of the myriad. The second is the northing - the distance from its southern edge.

Grid references always specify square areas, not points. The more digits there are, the smaller is the square referred to, and the higher is the precision of the grid reference. For each pair of digits, the precision increases by a factor of ten: SN58 defines a square of (10x10)km^2, 50km to the east and 80km to the north of the origin of myriad SN. SN5881 is a (1x1)km^2 square 58km east and 81km north of that origin. SN 58272 81324 is a (1x1)m^2 area. When stating a grid reference, the precision given should be in line with the accuracy of the position (how well do we actually know where we are?) and with the size of the object (a building doesn't fit on a 1m^2 footprint).

The system Geograph still uses in Ireland works in exactly the same way, although the Ordnance Surveys of Ireland and of Northern Ireland have recently introduced a different system for their maps. This article http://www.geograph.org.uk/article/Locating-photos---Republic-of-Ireland explains the differences.

This is not really a question for Geograph. Unless we happen to have a photograph taken there and mentioning Clay Pool Lane in its description, we are not able to help you. I suggest you try Google maps.

Every submitted image has an Ordnance Survey grid reference, which pins it down to a single 1km square in Britain (two letters) or Ireland (one letter). That generates a local map above the photo with a blue ring where the main feature is.

The viewer location can be any distance away but if not a cross grid will always be within the same square. Cross grids include views, longer telephoto shots and normal photos taken near a square border.

When adding your own decide where the primary location is in the view and then use the second black circle to show where you were when you took it.

The server that ran the Geograph website, was soon noted as being hamster powered, as in 'we need to put more hamsters on wheels' when things where running slow. Or a hamster fell out of its wheel when something broke. Later also used as a general term to refer to any part of the inner workings of the site.

(Exact quote from an article by Barry Hunter, see the link below)

We use county information to aid recognition of place names on photo pages and other areas of the site, like helping to disambiguate search terms (e.g. a search for "Gillingham")

For Ireland, it's simple; we just use the traditional counties. Great Britain isn't so easy, which has seen three major county structures;

Ceremonial counties (sometimes known as Geographic)
These were introduced in 1974 primarily as a way to define areas for county councils. Although these are possibly what most people recognize as counties, a suitable dataset to allow us to use these counties would be too costly for us to bear. So we must compromise a little...

Administrative counties (also known as district/unitary authorities)
These are the modern 'counties' in use by the current government (since 1997). This is the best dataset we have available, so we display it prominently in the gazetteer line on photo pages. It is also useful for identifying the council responsible for the area. However for large towns/cities, for example Sheffield, which are in their own authority (i.e. the 'county' of Sheffield), we attempt to be clever and display the historic county instead.

Historic counties
These are the counties that have evolved over many hundreds of years and were in active use until 1974. We use this data as a fallback - where we've opted to display the administrative country on a photo page, you can often find the historic county by hovering over this title.

For a more in depth explanation, see http://www.abcounties.co.uk/ . (However beware that the site doesn't use the exact same terms.)

To see lists of counties in each structure see the Explore Section.
http://www.geograph.org.uk/explore/#counties

The link for the centisquare map for the square is labelled "See geographical distribution of pictures". There is also a link to a centisquare coverage map (with other options) for a wider area (10x10km) labelled "Open Interactive OS Map Overlay" below the map extract.

Not all submissions have EXIF details attached, some image manipulation software strips the EXIF unless you ask it not too. Some contributors deliberately strip the EXIF as an easy fix to portrait images appearing sideways on the site.
Where it exists you can use a browser add-on to view the EXIF or download the photo (not the smallest version when larger ones are available - the next size up will have it). In Windows right-click on the photo in question and select 'Properties' then 'Details'. On macOS, open the photo in Preview, click on 'Tools' up in the menu bar at the top then select 'Show Inspector' and click on the 'Exif' tab. In Irfanview use the 'Image information' button.

Fill in the form here https://www.geograph.org.uk/stuff/image_report_form.php
It may take 24 hours to fix it.

The simplest method is just to put a place name in the search box on the top right, and then everywhere relevant comes up in distance order. If there are more than one place then add the county or other distinguishing element, it also asks you which one you want if not. The advanced search really needs a direct word search to work. Some are easier than others. Tags such as horse, cat or bridge should be the easiest, whereas user names can appear to confuse the system and more likely to raise place names again. These are for searching photos, the discussions are searched using their own search box when logged in, and besides the filtering process where you check the forums to search and dates, the word selection needs to be pretty specific to exclude lots of similar words you don't want to see.

These are the simple methods, there are many more complex but just for the basics these should suffice.

The 'This day in past years' index page is here http://www.geograph.org.uk/stuff/thisday.php
There is a link to it from the Explore page http://www.geograph.org.uk/explore/ which appears in the menu in the left side-bar.

[PERSONAL OPINION OF THE AUTHOR] Geograph takes pride in taking care about accuracy of location and information content. We like to think that this sets us apart from many other picture sites on the internet.

Whether it is one of your own pictures or someone else's, if you think something's wrong, please use the 'change image details' or 'suggest update' link under the main picture. This gives you access to a form where you can amend any of the details (subject and camera position, view direction, title, description etc). After making your changes, leave a short explanation in the box at the end of the form.

Changes to your own images will update immediately. The only exception are changes to the subject grid square, which are moderated; this will typically take a day or so.

If you suggest changes to someone else's pictures, they will be alerted and have an opportunity to reply. Ideally, you should work with the original contributor to come to a consensus. Moderators will try to assist with that. Generally, accuracy is taken very seriously, but if additional information is presented, it is the photo contributor's prerogative to decide whether to accept it.

When making a suggestion, please bear in mind that you are communicating with the original author, not primarily with Geograph. Explain your changes in a friendly and civil manner, and supply sources to verify your point. Avoid making many suggestions to the same contributor at the same time.

Suggestions which are mainly concerned with geograph/supplemental* classification or seek to move positions by small amounts within the stated precision (often 100m) are regarded as a waste of time by many and can cause aggravation out of proportion with their usefulness.

* (From 11 May 2016 the Supplemental Classification is replaced by Image Type Tags:
see http://www.geograph.org.uk/article/Image-Type-Tags ).

There are several ways to create a photo collection - http://www.geograph.org.uk/article/Content-on-Geograph

Marked list - see http://www.geograph.org.uk/article/The-Mark-facility
You can save this as a private list or use it to build a Themed Topic or Article.

Themed Topic - a discussion area where you can gather photos either alone (by locking the topic after each post) or collaboratively.

Article - see http://www.geograph.org.uk/article/Help_on_formatting_of_articles for help in creating articles which can also be a sole effort or opened up for collaborative editing.

Articles are indexed by google (and other search engines) and are visible to registered and non-registered users of the site.

It probably depends on the nature and tone of the complaint you've received, and on where you've taken the picture from. You've got three options: respond to the complainant, pass it on to Geograph, or ignore it. In any case, remember that there's nothing wrong with taking pictures from places with public access as long as it doesn't infringe someone's privacy in a very specific manner.

If the complaint is a reasonable request, you may wish to discuss the matter with the complainant directly - they may well be happy with your picture and text once they get to know you a little and realise you're a friendly if slightly excentric square bagger rather than a horse-rustling paedophile terrorist.

If the complaint is irate or makes unreasonable claims for privacy, you may prefer not to let the complainant have your email address. If you don't respond, they can always complain to Geograph. Alternatively, you can forward the complaint to support@geograph.org.uk , who will deal with it on your behalf. It helps if you present your side of the story and say whether you've taken the picture from a public space, a Public Right of Way or from private property without statutory access. Please make sure that the email address of the complainant shows in the body of the forwarded message.

On the other hand, if you do want to deal with an irate complaint by replying directly, it is usually a good idea to wait a couple of days to diffuse the heat of the moment.

If the complaint is about the text rather than the image, it is often possible to find a wording which will pacify the complainant without distorting the meaning of your text.

(Based on a question asked on the forum by Roger Jones http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=14&topic=14020&dontcount=1&page=0#1 and answered by Evelyn Simak.)

Go to your profile page (link top right on every page). All the various types of points you have are displayed under 'My Statistics'.

It is not possible to replace the image on the photo page but you can upload a larger size version of the same image with different/better processing and note the fact it exists in your description.
We are reluctant to remove images which have been on the site for a while (no telling where they have been linked from) so this is the preferred method of adding a better quality version.

Chances are that someone on Geograph will recognise it if you show it to them. We've got a special area for images of unidentified locations at http://www.nearby.org.uk/geograph/speculative/ . To use it, you need to sign up with Geograph first (free and painless) at http://www.geograph.org.uk/register.php . Members are alerted to these speculative uploads on a special forum thread http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=12804&page=0 .

Quite a few uncertain images are located using this facility. Once they are, they are transferred to the Geograph collection, and you can add a description and further information from your own research if you like. Good luck!

All submitted images have a unique identity number. It forms the last part of the URL (web address) of the main photo page.
example: http://www.geograph.org.uk/photo/4 is the first 'live' image on the site and has the ID number 4 (we don't use leading zeroes) while http://www.geograph.org.uk/photo/4018397 was the four millionth to go 'live' on the site (we do get a few rejects or failures) and has the ID number 4018397.

You can submit all your photos under a pseudonym by changing the name on your Profile http://www.geograph.org.uk/profile.php (link top write on most pages). Note that by doing this, the name will be changed on all photos you have previously submitted from the account. These may already have been used elsewhere, crediting the name originally shown.
You can change the credit on an individual image, for instance if you asked someone else to take it for you, but the name on your profile will still be shown on the photo page and the photographer name will still link back to your profile.
You can open another account under a pseudonym but this will need to be done from a different email address and you will have to take care which account you are signed in with before submitting, making changes or posting in the forums.

Yes, the Speculative Upload page is here http://media.geograph.org.uk/speculative/

If you've had any front page pictures (a.k.a. Picture of the Day), they're listed on http://www.geograph.org.uk/myphotos.php?tab=featured - the tabs at the top also show where else on Geograph your pictures have been used, e.g. in articles or galleries.

[Question asked on the forum by Martin31 http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=18&topic=14253 and answered by Barry Hunter.]

Short answer: you can't. But please read on...

You can't revoke the Creative Commons licence you have given The World when submitting your photos, and we would like to ensure as best as we can that you continue to get credit for your images wherever they are used. If you stop submitting, your existing photos remain visible and credited to yourself for this reason.

If you would prefer no longer to be identified as the photographer of the photos you have uploaded, you can change your real name in your profile http://www.geograph.org.uk/profile.php?edit=1 to show a pseudonym, or you can ask us http://www.geograph.org.uk/contact.php to anonymise your account. In either case, your decision is reversible should you change your mind - which of course we do hope!

On the bottom of your profile page, look for "Download: CSV , XML for Excel 2003 of all images".
This has links to download as Comma Separate Values (CSV) or Excel XML format.

These can be opened in spreadsheet software, eg LibreOffice or Micrsoft Excel.

The URL for these downloads looks like this:
For CSV: http://www.geograph.org.uk/export.csv.php?u=XXXX&supp=1&taken=1&submitted=1&hits=1&tags=1
For Excel: http://www.geograph.org.uk/export.excel.xml.php?u=XXXX&supp=1&taken=1&submitted=1&hits=1&tags=1

The parameters specify what is included. The contributor is u=XXXX, where XXXX is the user ID. If you use a link from your own profile, it will include your own ID.

Other options:
&supp=1 - include photos classed as supplemental
&taken=1 - include taken date
&submitted=1 - include submitted date
&hits=1 - include hit count
&tags=1 - include tags, in a list separated by question marks
&desc=1 - include description
&class=1 - include classification (geograph or supplemental)
&level=1 - include geograph points, eg 1st, 2nd, 3rd
&ll=1 - include latitude and longitude (in separate columns)
&en=1 - include numerical grid reference, in easting and northing, plus figures for precision
&ppos=1 - include photographer position, easting and northing

For more details, see the API help: http://www.geograph.org.uk/help/api#csv

You can download your photos from Geograph in the same way anybody else can. In most browsers this involves right-clicking on the image and selecting 'Save image as' or similar, then choosing where to save it on your computer.
If you have licensed a larger size then pick the largest version on the download page.
Geograph does not retain unlicensed larger sizes so, no matter what size original you submitted, you will only be able to download the size you agreed to license.

It depends on which kind of points you're chasing. If it's good old first-geograph points you're after, the answer is probably 'Ireland', although a handful are still left on the big island too. Many of them are mudflats and military installations, though, so good planning and potentially letter writing for permission may be involved. First-geograph points are available in squares shown in green or orange on this map http://www.geograph.org.uk/mapbrowse.php - zoom into your region of interest. Occasionally, squares that have become 'green' again because a mislocated photo was moved are announced on the forum at http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=8428&page=0 . Expect an imminent mass pilgrimage of Geograph-ers to these, though!

There are also other points that you might like to collect. Personal points are awarded for _your_ first geograph for a square. This map http://www.geograph.org.uk/mapbrowse.php?mine helps you find your personal green squares.

If you are the 2nd, 3rd or 4th visitor to a square and submit a geograph for it, you also get a repeat-visitor point for that. The best way to find which squares have had few visitors is the draggable map http://www.geograph.org.uk/mapper/ . You need to change the data overlaid on the Ordnance Survey map by clicking the blue '+' sign top right. Then select 'contributor depth'. This shows the number of different contributors to each square, so if it shows a '2', then you can get a 3rd-visitor point if you upload a picture for that square.

Finally, there are TPoints. They are awarded for geographs which were taken at least five years earlier and later than any existing ones, so you can get a TPoint for a current geograph if nobody has uploaded one taken in the last five years before you. If you enable the TPoint layer in the draggable map (again, via the blue '+'), you can see to which squares this currently applies. You can also get a TPoint for an archive shot which falls outside the periods five years either side of any previously uploaded geographs, but the map doesn't show this.

Geograph itself hasn't got any data on re-use of images downloaded from here. It wouldn't even be possible to determine who downloaded it in most cases. Google image search https://www.google.co.uk/imghp?hl=en&tab=wi is quite good at finding copies of an image elsewhere on the web. Just drag and drop the image onto the search bar. But of course there's no guarantee that it'll find all other instances of each photo.

If you find an interesting website re-using your or other Geograph photos, consider posting it on the forum thread http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=3179

(from a support request sent to http://www.geograph.org.uk/contact.php )

There are three simple ways to link two (or more) photos.
To produce a link which simply shows as Link, add the full URL of the photo to be linked to in the description eg
"See http://www.geograph.org.uk/photo/5966333 for a wider view."
To produce a link which shows the grid square and title, enclose the photo ID number (found at the end of the photo page URL) in double square brackets [[5966333]] so the link (in this example) will show as "See SO1189 : The Berwyns under snow for a wider view."
Either way it is a good idea to describe the other photo a bit, rather than just give the link.
For linking several photos a shared description - which may only be a title - can work well. Create your shared description in the Shared Description tab and then add it to each of the relevant images. This will produce an automatic link "see other photos of [title of shared description]"
For recent uploads such linkings are most easily done using the Recent Uploads page https://www.geograph.org.uk/submissions.php where the ID numbers are provided below the thumbnails and you won't need to visit individual edit pages to add the links.

The simplest method is to overwrite the large version with a smaller one.
This only needs to be one pixel larger than the displayed image (641 pixels on longest side) but can be whatever size you are comfortable to licence for reuse.
Just click on the link [Upload another large version] and follow the steps on the page.

This process works best on unmoderated images as these will not yet have been picked up by others (wikimedia, British library, site visitors etc). We cannot guarantee that images overwritten after moderation will not have been copied elsewhere before being replaced.

They probably look fine on your computer where they are auto-rotated but Geograph just takes the picture as stored. You will be shown a preview of the image during submission, if it looks wrong please use the buttons on the preview to rotate it before completing the submission process and clicking [I agree] as the rotation cannot be done afterwards.

Shared descriptions are blocks of text that you can apply to a number of images. You can also use shared descriptions written by others.

This may be useful if you have taken a number of photos at one location, and want to write a paragraph about that location. Also if you make a change to the shared description (e.g. correct a typo) it will be updated on all the images it is attached to.

For example I wrote a shared description for a number of images featuring Epping Long Green, which I can re-use if I take any more images of that location. It also enables a viewer to access a page where all images using that description are displayed.

If someone else has already written a helpful description of a feature, you can re-use this. It also allows a way of grouping images from different contributors together. For example Ian Capper had written a description of Coal Tax Posts, which I was able to attach to one of my images: Anyone searching for "Coal Tax Posts" would be able to access a page where images from all contributors who had used that description are displayed.

You can find a detailed article on the topic written by Barry Hunter here: http://www.geograph.org.uk/article/Shared-Descriptions

You can search for shared descriptions already written here: http://www.geograph.org.uk/snippets.php

In your description you can create a link to another picture on geograph in 2 ways:
1) By entering the ID surrounded by 2 or 3 square brackets e.g. [[12345]] This will display as a link to (e.g.) " NN2544 : Coire Toaig"

An easy way of getting ID's for your recent photo's is to click on "recent uploads", where the id's are listed in square brackets for you to copy. This can be helpful when creating links before pics are moderated.

2) You can enter the full URL of a pic e.g. http://www.geograph.org.uk/photo/12345 and that will display as "link". Note that the set of numbers at the end of the url is the photo ID.

For more detail, and for editing pics that have already been moderated, we suggest taking a look at Rudi Winter's tutorial (click on "More information on this topic... " below)

You can put links (URL or URI) to web pages and geograph photos into your description, and this will display with the text "link" in the description. Always leave a space after the link to avoid punctuation marks being included in the link. A link to any web resource will work, including a link to a photo on geograph such as http://www.geograph.org.uk/photo/12345. Note that the set of numbers at the end of the url is the photo ID.

You can also link directly to a pic on geograph by entering the ID surrounded by 2 or 3 square brackets e.g. [[12345]] This will display as a link to (e.g.) " NN2544 : Coire Toaig".

An easy way of getting ID's for your recent photo's is to click on "recent uploads", where the id's are listed in square brackets for you to copy. This can be helpful when creating links before pics are moderated.

For more detail, and for editing pics that have already been moderated, we suggest taking a look at Rudi Winter's tutorial (click on "More information on this topic... " below)

The idea is that you specify at least one 'top' (or 'geographical context') tag. These are about 40 broad classes describing the main aspect of the subject at the time the image was taken. You can add additional top tags if you like, depending on what surrounds your main subject. The top tags are shown in the tagging box if the radiobutton "context list" is selected.

In addition to the top tags, you can highlight detail that you feel is important. For that purpose, free-form tags are also available as an option. You can pick the most salient words from your description or any others that you would like your image to be found by if someone uses the word as a search term.

In addition you can use prefixed tags for collections of special interest: A railway enthusiast might create a prefix 'locomotive:' and use it to tag the different engines in their pictures. Or someone interested in churches could use a 'denomination:' tag to indicate which particular community uses the place of worship shown. You can also use existing prefixes, e.g. 'place:' or 'near:' to indicate which town something is in or near to. Have a look at what prefixes and tags others have already created: http://www.geograph.org.uk/tags/ . However, there is no need to restrict yourself in any way to that list. Prefixes are best used wherever it is likely that there will be other examples of your subject (church, locomotive...) with a slightly different attribute (Methodist, Diesel...).

As far as tags are concerned, chaotic growth is encouraged - the top tags are meant to counterbalance that!

The image type tags were introduced in May 2016, previously it would have been classified as Supplemental. Perhaps you have not previously submitted an image where the subject is not in the same grid square as the camera position, or maybe you just have not noticed the tag.

There are a number of forum threads where knowledgeable Geograph members help out identifying a variety of things. Just upload your picture (with the usual geographical information) and post it on the appropriate thread, then update your description when you get a satisfactory answer.

- insects: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=18&topic=10511
- fish: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=12115
- birds: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=7307
- deer: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=13388
- livestock breeds: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=7733
- trees: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=12362
- orchids: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=11958
- crops: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=7530
- plants in general: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=4791
- fungi: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=18&topic=12620
- geological curiosities: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=6&topic=1910
- clouds: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=6&topic=14038
- ships: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=12872
- phoneboxes: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=6&topic=12931
- pillboxes: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=18&topic=12600
- tractors: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=11962
- farm machinery: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=3366
- locomotives: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=11550
- railway paraphernalia: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=12095
- mystery objects: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=3736

If none of these fits your identification problem, try searching the forum (entry box top right on any forum page) or start a new thread, ideally using the word 'identification' in the title. And please edit this answer and include a link to it!

Members of Geograph can (if you aren't yet, sign up by clicking the 'register link' top right on any page). Go to the forum ('Discussions' in the sidebar menu) and add any pictures you'd like to see in all their glory on the front page for one day only to this thread: http://www.geograph.org.uk/discuss/index.php?&action=vthread&forum=2&topic=17652 . They will then be added to the list from which the daily picture is picked. If you'd like to suggest a picture for a specific day, please say so - there's no guarantee though, as the day may already have a picture assigned to it. You can post a small selection of your own pictures, but it is nice to highlight other peoples efforts as well where you come across them.

There is one technical limitation to bear in mind: The front page picture has to fit in a landscape frame due to the page layout. If it isn't landscape format, it'll be cropped and the central section used. Sometimes that can work, but generally it's best to pick landscape formats in the first place.

If you want to show a thumbnail of a picture from the Geograph collection, just copy and paste its URL (web address) between a pair of square brackets: [http://www.geograph.org.uk/photo/1234567] or just its id number between a pair of triple square brackets: [[[1234567]]].

You can't generally show pictures from other websites, but you can link them so people can click the link to view the picture elsewhere by using this syntax: [url=http://www.example.com/pic.jpg]anchor text[/url] where 'anchor text' stands for the text people click to go to the picture.

If you've got a picture that adds value to the point you're making but it's not suitable to upload it to the Geograph collection, you can upload it to the Geograph media server http://media.geograph.org.uk/ . Once uploaded you can show it in a forum thread using the [img]http://media.geograph.org.uk/files/....[/img] syntax. Use the 'direct link' URL from the upload page for this. This works for png, gif and jpeg formats. If the image is wider than 640px, it'll automatically be shrunk to fit.

This technique is best used for supporting material such as out-of-copyright photos that you can't license under the Creative Commons licence, user-generated maps or graphs showing statistics etc. It should not be used to create signatures, smileys or avatars or other recurrent images, which aren't used on the Geograph forums.