1)   Beware Of Bats Wallpaper 1.0
The Bats have returned to rule on Halloween. Install this free animated halloween wallpaper to watch these scary bats come out on your screen.

 2)   Coolscreams-A Halloween Screensaver 5.0
A fun animated Halloween screensaver with up to 8 ghosts, bats, mummies, witches, jack-o-lanterns, spiders and dancing skeletons. Choose from up to 7 different scenes and backgrounds. Comes with Halloween music and 6 creepy sound options.