"... Having tinkered with the Flickr API, I don't think this would be hard to engineer. And I think there is an easy revenue model (a cut of sales), a low barrier to entry for users, and a large long tail to make money off of. ..."
Why just flickr? Why not all the available images sites?
I remember reading somewhere that Facebook has more pictures than Flickr, though its mostly pictures of friends, but might be worth looking into that as well
Why just flickr? Why not all the available images sites?