I know, I know. You love movies and you love to hollow out large edible things, but you've never found an activity that combines the two of them. Not to worry, Curse of the Zombie Pumpkins has a few stencils for your carving pleasure, though it does cost a couple bucks to download them. Actually, you might be able to carve a decent likeness just based on the pictures alone. I'm more of a purist myself, preferring to just hack at the pumpkin until some kind of face emerges.