Dennis Delimarsky has authored a series of 17 articles on DZone that cover different aspects of the Flickr API structure. It covers the core parts of it that you most likely will want to integrate in your applications if you decide to use this web service.
MIX is a gathering of developers, designers, UX experts and business professionals creating the most innovative and profitable consumer sites on the web. This posts lists all the session on Windows Phone at the event..
Flickr has introduced a Windows Phone 7 (and Windows 7) app to allow you to easily browse your world on Flickr in stunning high-resolution display, and upload your latest images on the go.