Oucopo: Comic Jams For The Growing Cartoonist is a new outfit about comics challenges featuring certain thematic or formal constraints. As Derek Badman says in his recent, and quite good, overview of constraint comics :
Started by Jon Morris, it’s basically a site to set out monthly constraints and publish the results as submitted by whoever wants to participate. This month’s theme is Tom Waits.
It seems to be the logical sequel to some very good thematic challenges, like Boo 06 or Calamity, which were also brainchildren of that wonderful mind that is John Morris (whom I seem to remember of a web comic called Jeremy)