I found a site that gives pretty cool ideas for costumes.
Pros: All kinds of costumes in many categories, great site to visit if you're stumped on what to be for halloween this year. Prices are low, too.
Cons: Lacking the "funny" category, would have liked to see more of those.
www.halloweencostumepartyidea.com
P.S. link traded at the bottom under more halloween resources -> forums!