I'm sure you recognize Cher, the B&W photo is Ali MacGraw, the girl washing the AMC Gremlin is just a random pic of some hot girl from back in the late 1970s, The girl with Clint Eastwood is of course Barbara Eden who guest starred on an episode of 'Rawhide' and I'm not absolutely certain but I think I've seen the girl leaning against the Cessna in a magazine before with considerably less clothes on
Before She Was Famous: Never-Before-Seen Pictures of a Teenage Madonna in an Early Photoshoot From 1977 ~ Vintage Everyday