You’ve been toiling away on your costume (or pumpkin, prop, spooky art, whatever the case may be) to freak out the impending trick-or-treaters. Your creation can win you a handful of treats, too! Some of these contests are frightfully simple to enter, while the rest require varying degrees of participation. Whether you only have a moment to join a mailing list, or have set aside months to create a fantastic costume or prop, you’ll find a contest perfect for you.

MAKE/CRAFT DIY Halloween Contest: Submit images of your homemade Halloween creations to the flickr pool. Categories include pumpkins, costumes, decorations or gadgets, and food.
Prizes: A trip to Maker Faire San Francisco and a bunch of other TBA prizes
Deadline: November 4, 2007

Curbly Candy Corn Challenge: To enter, transform these syrupy wedges into something seasonally superior for your home. Or, take …

DIY Tim Burton Inspired Slipcover tutorial makes an excellent homemade Halloween decorating idea. With some spooky fabric, foam padding, and basic sewing skills you to can create a slipcover, or whatever else this inspires.