Okay, so I figured it would be nice to have a centralized location for contests.

Here's one I found in BHG's May Issue:

Prize Tested Recipes Contest

December 2008 Categories:
Fruitcakes - Traditional & Not
Thirty Minute Soups

Deadline: via email - 5/23/08
mail - postmarked by 5/23/08 and received by 5/31/08

Prizes: $400 (2) $200 (2) $50 (10)

Here are the complete details: http://www.bhg.com/recipes/win-money/