How do you get Halloween candy on Animal Crossing City Folk?

Get on the game on Halloween, and if everyone doesn't have a Pumpkin head, get off, then Back on. Do this until they do. Then, when they have pumpkin heads, go up to someone and don't press A. If they talk to you Don't give them candy, and they will give you a pumpkin head. (make sure you arn't wearing headgear or accesories.) If you do this again with a pumpkin head on, they will replace your shirt with a moldy shirt. If you do this with a pumpkin head and a moldy shirt, nothing will happen.

(p.s. you can't sell pumpkin heads)