Flickrbook lets you showcase your Flickr photos and sets on your Facebook profile. Plus, with Flickrbook, you can tag your Facebook friends on your Flickr photos and see photos of yourself tagged by your friends.
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Google APIlity Library
Flickr Api Explorer
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Creating a Facebook photo album with Adobe Flex
MKAbeFook: Cocoa library for Facebook
Facebook and Fellowship One - Outreach
Fb4j : Java Source for Facebook
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Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.