Scary Monster on the Ceiling This super-creepy monster is deceptively easy to make. Combine a scary mask and old wig, an old night gown, and some wire hangers in a person-shape. Suspend it from the ceiling with fishing line.
The Weeper: How many kids would dare approach a porch with this guy sitting there? Could be either an awesome prop or an amazing costume depending on how sadistic you're feeling toward the trick-or-treaters.
An Easy to Make Pottery Barn Inspired Slightly Scary Halloween House.