Halloween Costume Ideas

I don't usually like to post pictures from costume parties because it's almost too easy - everybody looks funny in a costume. But it's getting close to Halloween, and I haven't decided on a costume yet, so I've been looking on Flickr for a little inspiration.

Here's a couple of costumes I'm considering:

1) Anguished sweaty guy on enough meth to believe he looks good enough shirtless to score some high school tail:


2) Anguished housewife on enough painkillers to believe that swinging won't ruin her marriage: