BigMouthMedia - Photos
Staff photographs; parties, conferences, trade shows, and random events from any of Big Mouth Media's world wide offices!
http://www.flickr.com/photos/big-mouth-media/

Gold Prints
Information site covering all types of photography tips and articles including a free photography directory and photography forum.
http://www.goldprints.com

Photo.net
Photography community that includes forums, reviews, and galleries for members and casual viewers.
http://photo.net/