Earlier last year, there was an attempt to create a weekly writing workouts/challenges to give people new ideas and encourage writers who wanted to participate to continue to be creative. It kind of died because there were really only 6 or 7 people who posted regularly. I've noticed in the last month or so, we've had a LOT of new posters who are writing some amazing things. I'd like to give this another shot.
If you're interested, comment on this thread, along with any ideas or suggestions you might have. Some of the things that were used in the past were poems expressing an emotion, weather haikus, and stories that had to include a specific phrase.
Some past workouts:
http://www.tfproject.org/tfp/showthread.php?t=62175
http://www.tfproject.org/tfp/showthread.php?t=62989
http://www.tfproject.org/tfp/showthread.php?t=63746
If you're interested, read through some of the posted threads to get an idea of how it worked. Tecoyah did an amazing job getting this thing going, I think it should get a breath of fresh air!