You're gonna like these costumes: Alien Xenomorph, the Cheshire Cat from Alice in Wonderland, the Mario Brothers, and more... Some of the Halloween costumes have instructions!!

Alien Xenomorph from Instructables

Alice in Wonderland Cheshire Cat via

Edward Sissor Hands from XAXOR

Frazia wine box at

Regan from The Exorcist via Instructables
Head in a box from Humor Sharing

Obama Hope Poster also at Humor Sharing

Headless woman from Girlshue

Tim Burton's Corpse Bride via Girlshue

Mario Brothers from the Dallas Observer