Check it out. You can download 2 full tracks of Halloween Sounds for FREE, each about 7 minutes long, and perfect for looping.

They are the last 2 tracks on the album (normally a buck each), but FREE for now! Get the tracks while they are still free. They are both pretty easy to download.

The tracks are:
Scary Halloween Sounds and Trick or Treat Music SFX.

Enjoy. Halloween rules!