New Left 4 Dead 2 videos are now available showing off Valve's coming zombie shooter sequel. There's a direct-feed Swamp Fever movie from Comic Con on GameTrailers. Also, GameSpy has three new clips, Car Alarms, Shanty Town, and Swamp. IGN has three, City Roof, Bridge Run, and Plantation. Finally GameVideos (thanks Shacknews) has three more, Bloody Ax and More, Zombies Over the Bridge, and Zombies Attack in the Forest.