How do you design a successful movie poster?

The page has ColourLovers.com the film poster of the top 10 analyzes blockbuster of 2011 and worked as an entertaining infographic. They have every "successful" Posters on the underlying color palettes as well as some design features back. 2011 clearly dominated this cold and dark colors, which served as the main element Getaltungs photos as an image base (if it was not just an animated film). One wonders, of course, whether posters depicted actors work without basically worse or whether there is simply no one has ever risked anything about convincing.