My favourites are:

A Fish Called Wanda
Airplane!
Austin Powers: International Man of Mystery
Best in Show
Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan
Galaxy Quest
Kingpin
Mr. Hulot's Holiday
Monty Python's Life of Brian
The Naked Gun
The Pink Panther (1 to 4)
Planes, Trains and Automobiles
Slap Shot
Snatch
Take the Money and Run
Team America: World Police
This is Spinal Tap
Top Secret
Toy Story (1 and 2)
Trading Places