James Verdesoto is the movie poster designer responsible for some of the more memorable posters of recent decades, including Pulp Fiction, Girl, Interrupted, and Training Day. In this short video, he gives a terrific presentation about the design aesthetics of movie posters from the 1930s to present day. I learned a lot from this; it was 10 minutes well-spent.
Image: Movie Poster Remakes vs. Originals, Explained | Vanity Fair YouTube video