Quite often a single image can hold more power than 90 minutes worth of them. With words and loud noises added.
Which is why some of our picks for the 25 creepiest movie posters ever are actually more effective than the films they're promoting. Naming no names though (Pulse).
If we've picked correctly then at least one of these images will be making a starring appearance in your nightmares tonight. Let us know, yeah?