In advertising, apparently, imitation (or plagarism) is the sincerest form of flattery - if a sexy photograph of a vertical pair of lips can be used to sell lip balm, say, why shouldn't it work just as well for hawking breath mints, restaurants, or a stage show too? We'll let the creative directors responsible for these archived ads hash it all out among themselves while we sit back and enjoy the show.
"Mouth", "Life Buoy", "Panties", "Has Frozen", "Clad Porno" (ad motifs @ coloribus.com, via Adrants)