as a graphic artist, i am of course obsessed with great movie posters. there are a ton of 'em where the movie was a let-down, but the poster just kicks butt.
my all-time fav poster, hands-down, is this:
...the movie itself is fine, but it doesnt live up to the poster. but in my mind, no movie could! brilliantly conceived and executed. if i had seen this poster as a kid, i would've thought this was THE MOST EXCITING MOVIE EVER.