Probably these are no longer news, but -- in case you have missed them, here are jigsaw puzzles for the sophisticates, based on pictures drawn for the purpose, by noted artists in the modern mode. Difficult enough to be absorbing, entertaining enough to strike a really new note. OOMPAH! by William Steig, PEEK-A-BOO! by Peter Arno, ANIMALS IN A SPEAKEASY, by Tony Sarg, KING ON ROLLER SKATES, by Otto Soglow.