Well since someone beat me to Killer Klowns, I'll have to go with
Chopping Mall. Will someone please tell me why Mall Security Robots are equipped with flame throwers, Rocket Launchers, Machine guns???

I remember an old rental store when I was a kid that devoted over half the store to cheesy horror movies. I loved looking at all the cool box arts. That is a neat idea getting the covers for decoration.
Oh, and here you go for the ultimate horror cheese:
