Trick-or-Treat with these Spooky Haunted House Halloween Desktop Wallpapers. The ALTools Eggheads are out trick-or-treating this Halloween when they find a spooky haunted house. Dare they approach the foreboding mansion? Does Old Man Skelly give children candy? Or does he eat small children like everybody says? Find out in these high-quality Halloween desktop wallpapers. That is... If you have the courage to... (It`s ok to be a chicken! NOT!)