Here's a video showing some of the most popular Halloween costumes for 2008. Check out some great ideas for your toddlers, kids and adult costumes.

Shown here are Arwen from Lord of the Rings, baby Batman, Flash, Spiderman, The Joker, Supergirl, Batgirl, Clone Trooper from Star Wars, Padme Ameldia, Ricky Bobby, Darth Vader, Sharpay from Highschool Musical, Hannah Montana, A Pretty Witch, Power Rangers, Marie Antoinette, Wonder Women Aniken SkyWalker and baby Yoda.

Update: See also 2009 Kids Halloween Costume Ideas