Steve Martin Movies:The Jerk, All of Me, Father of the Bride I and II, Parenthood,Planes, Trains and Automobiles, House Sitter, etc. Harry and the Hendersons Son-In-Law and Encino Man Heart and Soul Fried Green Tomatoes Jumping Jack Flash, Sister Act I and II.....lots more featuring Whoopi Goldberg; and etc.
Some Like It Hot. Wayne's World. Boat Trip (this one is NOT homophobic, it's just affectionately satirical about gay culture, and Cuba Gooding is a scream). Any British comedy with Alec Guinness in it, but start with The Ladykillers.