Video showing how to make skulls. When finished, paint with glow paint and you have inexpensive glowing skulls. If placing on a wall, you probably don't need the back of the skull and if careful, can get 2 skulls per jug.
DIY Ghost Wall Art Tutorial from eHow.Make a spooky DIY Ghost Wall Art Gallery using styrofoam heads or dolls’ heads. Add layers of cheesecloth and heavy duty spray starch. You could alter the styrofoam heads to create even scarier ghosts.