On the page where you found the picture you want
right-click on the picture
select "properties"
Put your mouse on the URL of the picture (usually starts with "http" and ends in ".jpg")
Press and hold the mouse's left ear while you drag the mouse from start to the end of the address to highlight it
Press CTLR+C (copy)
Come back to your post here (ALT+TAB)
Click the mouse where you want the pic to be
Press CTRL+V (paste)
The URL of the pic will then appear
like this
http://www.toolstation.com/images/library/stock/webtables/21042.jpg
Highlight it again by dragging the mouse with its left ear pressed
and click on the "IMG" box under where it says "post a reply"
This will put the start image and end image markers round the URL so it looks like this
[img]http://www.toolstation.com/images/library/stock/webtables/21042.jpg[/img]
But when you submit it, it will look to viewers like this
If you can't see the picture, then either you have this problem
http://i113.photobucket.com/albums/n228/JohnD_UK/StupidUser.jpg
Or your cat has stolen it
Some pictures end in ".gif" or something instead of ".jpg"
http://i113.photobucket.com/albums/n228/JohnD_UK/Interview1.gif
or perhaps you used URL for the web page instead of for the picture or did not include the full address