This great Metafilter thread, titled You know what (comic-strip artist) Rob Liefeld hates drawing? Feet!, introduced me to this hilarious roundup.
Excerpt: “Oh shit, gotta get Domino on there too, can’t have an X-Force cover without tits. Shit, the “ground” I drew didn’t reach over to where I’m putting her. Oh, fuck it, she’ll be crouching. You can crouch in the air, right?”