PAX's Dark Carnival: screenshots of the latest Left 4 Dead 2 campaign

Below the fold: a high-res look at the Dark Carnival, the latest Left 4 Dead 2 campaign being shown off at the ongoing Penny Arcade Expo, most notable (if not for its Pennywise-perfect Zombie Clowns) for the unveiling of The Jockey, a new grotesquely hunched Boss infected Valve says "lets you attack lone Survivors and wrestle control of their movement away from them-into fire, off ledges, or straight into the middle of a zombie horde."