Here is info on two contests with entries due by December 31, 2007. Because I know you're not busy or anything.
Lantern Books Essay Contest
No fee. Big Prizes. Essay of 1,500 words or less on one of the following topics:
"How far does personal responsibility extend when it comes to the environment or other issues affecting the planet?
Where do you find peace, and how can that space be extended?
What "bad" experience has turned out to be "good" for you?"
1st Prize $1000
2nd Prize $500
3rd Prize $250
See the Lantern Books Website for more info on where to submit.
River Styx Schlafly Beer Micro Fiction Contest
Two cases of Schlafly Beer
Publication in River Styx and a subscription
500 word or less - up to three stories may be submitted per entry
$20 entry fee