How about the ingredients for the cauldron. Eye of newt, spider's legs, troll's blood, etc.
Maybe something like this?IshWitch said:Take a face, or pic of a gory or screaming face/mask from somewhere on the net (google it) and then take a comp program to distort it. Print it out and roll up the pic and push it down into a wine bottle (something with straight sides so the paper touches it all the way round. Stuff some wig hair into the bottle with it hanging out! Very cool effect!...