Sometimes inspiration hits when you're shooting zombies -- and often times, that inspiration is in the form of new, better ways to shoot zombies. Since this sort of thing (shooting zombies) is one of our passions here, we were pretty psyched when we ran across this video. Summoning all of his worldly resouces -- including GlovePIE, PPJoy, and about a gazillion lines of code -- this guy is able to rock Left 4 Dead PC in split-screen mode with two Wiimotes. He's even added shake controls for reloading and spinning 180 degrees. The only catch? As it stands, the only way to power the sensor bar is