Nose shower gel dispenser

Not necessarily "Halloween-y", but certainly something vaguely creepy that I thought you might enjoy. (Available from Amazon.com)

The Mouth House

Here's my neighbor's Halloween display. He attaches the face to the front of his house each year, shines a couple of spotlights on it, and he's done. No fog machines. No spiderwebs on the bushes. Just the face. Nice and simple. I love it!