Flickraw is a Ruby library that provides an interface to the Flickr API. Data returned through the interface is presented in a simple and intuitive manner. Because the library's methods are fetched from Flickr when it loads, the library is always up-to-date.
What do you think will happen if you bring the best minds in photography, photo-editing, web design and computer science together? Chances are that it could give rise to the next set of imaging applications that could much further than what Instagram has achieved. If it sounds interesting, you do not want to miss the Photo Hack Day 3 being organized by Aviary, the photo-editing API platform for web and mobile.
Of all the hundreds of tags you can see in our mashup tag cloud, the second most popular behind "mapping" is "photo". How popular? As of now there are over 200 photo-related mashups listed at ProgammableWeb -- 202 by today's count.