The Daily Shoot, as the creators say on the site, is a simple daily routine to motivate and inspire you to practice your photography, and share your results.
Pictures of Ireland. What it says. The photographer, Paz, is also extremely knowledgeable about his country.
The Monthly Scavenger Hunt is an entertaining flickr group that provides you with twenty items to catch in a photograph each month. They also have a cool solution that lets everyone vote on the submitted images.
FlickrDuel – continuous photography competitions. A chance for exposure, feedback and inspiration from all the fabulous participants.