My artistic leanings are not in the area of writing but I know that most of the people who read here are writers. I found the article, Very Short Stories, in this month's issue of WIRED magazine really fun. It starts: "We'll be brief: Hemingway once wrote a story in just six words ("For sale: baby shoes, never worn.") and is said to have called it his best work."
The imagery and emotion projected from just those six words is amazing. WIRED went on the ask several sci-fi, fantasy and horror writers to contribute six-word stories. You can find their contributions here.
On Erin's blog she had you write a poem based on the letters in your comment's Word Verification code (I'm still working on mine). How about posting a six-word story here? Here's some of mine:
STEP ONE: Stab syringe into heart.
Scan negative. No life forms. Next.
"Really? How can you tell?"
"On the outside..."