One on top of the Other / Perversion Story
I really like the fragmented, collage / photomontage type look here, and the way it echoes the film's visual style.
Cat o' Nine Tails
The hands round the woman's neck are a bit of an artistic liberty here, since one of the distinguishing things about Cat o' Nine Tails is the almost dismbodied nature of the killer, with an avoidance of black glove shots and suchlike
I also got 5 Dolls for an August Moon (strapline: "the assassin always kills slowly and cruelly") but don't have a picture of it. It's basically this one, but in the locandina format