Arv Miller was an illustrator himself, before he became editor and publisher of Fling Magazine, a competitor to Playboy Magazine.
This entry on the illustrator Dazor will be up here on the Internet for a while and maybe Dazor, or someone who knows more about illustration than I do, will post some information about him/her.
From an auction of Fling Magazine originals dating between the 1950s and 1970s. (These scans are from the auction site. I do not own the art.)