In our age of Photoshop miracles, dazzling colors often hide mediocre comic and pin-up art. That's why I love b&w sketches. There's nowhere to hide. These are some of Frank Cho's PG-rated pin-ups, sketches and covers (1024 x 768). Clueless Insider strongly recommends Frank Cho's stunning art books, Apes & Babes and Women.