2 = The Cell
3 = Header
4 = Hostel: Part 2
6 = Black Sun: The Nanking Massacre.
I know I've seen the others too, but I can't think what they are at the moment.
5 might be Land of the Dead (?) and for some reason I think 1 may be one of the Jeepers Creepers films (?)
I'm sure someone else will know, before I remember!