Animation- Wall-E
Comedy- Scary Movie
Drama- The Shawshank Redemption
Superhero- The Dark Knight
Gangster- Dont have one
Documentary- Dont have one
Fantasy- Pirates of the Caribbean
Horror/Thriller- Cloverfield
Musical- Dont have one
Romance- Dont have one
Science Fiction: Star Wars
Sports: Shaolin Soccer (hey its a sport!)
War: Band of Brothers
Western: Pale Rider

Also

Kung Fu: Kung Fu Hustle

Animation- Finding Nemo
Comedy- A fish called Wanda - Dr. Strangelove
Drama- One flew over the cuckoo's nest
Superhero- Iron Man...barely. Idon't like superheros at all
Gangster- The Godfather II
Documentary- N/A
Fantasy- Lord of the Rings Triology - Excalibur
Horror/Thriller- Aliens-Mullholland Drive
Musical- N/A
Romance- Casablanca - Eternal sunshine of the spotless mind
Science Fiction: 12 Monkeys - 2001
Sports: Mean Machine
War: Saving Private Ryan
Western: The good, the bad and the ugly - The Unforgiven

Action: Casino Royale

Adventure: Raiders of the Lost Ark

Animation: WALL-E

Comedy: Some Like It Hot

Crime: The Godfather

Documentary: Bowling for Columbine

Drama: Gone with the Wind

Erotic: Basic Instinct

Family: E.T. the Extra-Terrestrial

Fantasy: The Wizard of Oz

Horror: Psycho

Musical: The Wizard of Oz

Mystery: Rear Window

Romance: Gone with the Wind

Science Fiction: The Empire Strikes Back

Sports: Million Dollar Baby

Superhero: Spider-Man 2

Suspense:Rear Window

Thriller: The Silence of the Lambs

War: The Great Dictator

Western: Unforgiven