Movie posters help sell tickets but sometimes they're a piece of art unto themselves. The most effective movie posters are really iconic, presenting the actors or a key moment from the movie. Here is my top ten of the most iconic movie posters from the 20th century (click to enlarge). 1. Casablanca (1942) 2. Alice in Wonderland (1951) 3. The seven year itch (1955) 4. The sound of music (1965) 5. The Godfather (1972) 6. Rocky (1976) 7. E.T. (1982) 8. The silence of the Lambs (1991) 9. Pulp fiction (1994) 10. American Beauty (1999) What is your all time favorite movie poster?