The credits contain references to famous pieces of art, including Adam and
Eve by Lucas Cranach the Elder, The Arnolfini Portrait by Jan van Eyck,
American Gothic by Grant Wood, and Andy Warhol's Campbell's soup can. Also
alluded to are the lesser known Couple Arguing and Romantic Couple by
Robert Dale (drawn in a comic book style similar to that of Roy
Liechtenstein) and a 1940s "Am I Proud!" poster by Dick Williams (showing a
woman holding cans).