Derailing from drawings, cartoons; there's this EC in an old movie, I don't know if it's mentioned before, called Electra (1996). I found the whole video uploaded on megavideo. Basically it's about a stepmother who was converted into a lusting, crazy woman by the villian to seduce her stepson.
http://www.megavideo.com/?v=T861NBBJ
starts around 47 minute