THE ROOM
TROLL 2
BEAST OF YUCCA FLATS (any Coleman Francis, really, but this is the least dull)
THE FINAL SACRIFICE
REEFER MADNESS
PLAN 9 FROM OUTER SPACE (or any Ed Wood)
SHOWGIRLS
TEENAGERS FROM OUTER SPACE
ZOMBIE LAKE
TNT JACKSON
I don't have any Roger Corman up there, but he could almost fill his own top 10 list