Images for Moviesite copyright protected?

Hey, i want to start a moviesite and i want to use some images (covers) from the movies, because it will look a lot more professional. Is it allowed to use them or are there any copyright issues?

And if so, how would you deal with the problem?

Obviously copyright issues. I think they get away with it by simply hosting offshore with 'bulletproof' hosting and not caring about DRM/Copyright

Then again imdb does this for free and they seem to have no issues. Same with movie trailers on video sites

So, would it be a good idea to load images from imdb in my website directly?