I think I saw a 1960 Chrysler or DeSoto in the Velocity Girl Music Video "Nothing," as well as a late-1940's Oldsmobile.
http://www.youtube.com/watch?v=ZWShmwBHh3w


The Lemonheads music video for "It's a Shame About Ray" has a blue 1975-78 Chevrolet Nova coupe, and a Fargo Truck from the late-1940's:
http://www.youtube.com/watch?v=L0hZMd2QX34&NR=1