Steve's Photo Site
Royal Photographic Society Not cheap, but if you want to be involved with some very good photography, this is the place to be.
Photographic Alliance of Great Britain National body for photographic and camera clubs.
Disabled Photographers' Society The Disabled Photographers' Society is a Registered National Charity founded in 1968.
New York Institute of Photography  
Thornbury Camera Club My local club.
Open University Camera Club