I am charmed by
crooked-halo8's suggestion of an 'Animal, Vegetable, or Mineral' Challenge; as she notes, there's "a plethora of ways to take this one! Crazy alien not!animals? Rodney's cat? Harvest festivals? Coma patient? ZPM materials? Atlantis materials? A game of 20 questions? The possibilities..."
Collect the whole set; do one of each! (Or can something be all three?)
It's June 3 (Jesus, how did that HAPPEN?); stories are due June 17 at midnight eastern.