(http://[url=http://s996.photobucket.com/user/11numnum/media/BIRD-HP/Pictures/williams/williams17_zps5a7affd4.jpg.html%5D%5BIMG%5Dhttp://i996.photobucket.com/albums/af81/11numnum/BIRD-HP/Pictures/williams/th_williams17_zps5a7affd4.jpg)[/URL][/img]
Like this:
[url=http://s996.photobucket.com/user/11numnum/media/BIRD-HP/Pictures/williams/williams17_zps5a7affd4.jpg.html]
[IMG]http://i996.photobucket.com/albums/af81/11numnum/BIRD-HP/Pictures/williams/th_williams17_zps5a7affd4.jpg[/img][/url]
The first photobucket link is the large photo, the second one is the thumbnail (small photo)
We see the small one (img) and (url) links to the big one ...