I've always loved film music - music effectively paints pictures and evokes emotions in the mind of the listener, and is invaluable in films.
X5 is offering a free album of 99 Most Essential Classical Music Pieces from Movies.The album is 822 MB, and is free worldwide for everyone to download and listen to. (And don't worry, it's legal.)
To get it, simply type in your email address, and they'll send you the link almost immediately. If you don't see it, check your junk mail folder.