A great little site by Brian Poulter who teaches photojournalism at Eastern Illinois University.  Called ittybittyphoto:

Welcome to itty-bitty photo a website and blog. A site dedicated to “tiny format” cameras: cell phone cam’s, PDA phones, and digital point and shoot photography. Photographers make photographs, not cameras. Are you up to the challenge? Can you shoot with under these limitations? Use the link at top of this page to submit your photos.

Great stuff.