Halloween - Animated Wallpaper - Version 5.07 "Halloween" - Animated Desktop Wallpaper by EleFun Multimedia. Do you enjoy your desktop having beautiful wallpaper? Halloween is an annual celebration, but just what is it actually a celebration of? And how did this peculiar custom originate? Is it, as some claim, a kind of demon worship? Or is it just a harmless vestige of some ancient pagan ritual? One story says that, on that day, the disembodied spirits of all those who had died throughout the preceding year would come back in search of living bodies to possess for the next year. It was believed to be their only hope for the afterlife. Install Animated Desktop Wallpaper "Halloween" on your computer and Happy Halloween!