I really like Killer clowns just for the fact that it takes all the clown/fairground kids stuff and subverts it. Candy floss cocoons, shadow puppets etc.
My favourite clown horror and yes that includes It.
__________________
MIKE: I've got it! Peter Cushing! We've got to drive a stake through his heart!
VYVYAN: Great! I'll get the car!
NEIL: I'll get a cushion.