Halloween Bloodfest, Strobist Style
Strobist info: Pocket Wizards fired two Canon 550EX flash units; the red-gelled flash 1/64 power held by hand high and to the right, and the lime-gelled flash 1/128 power held by hand high and to the left. Canon 30D and Canon 17-55mm f2.8 IS lens at f8.0, 1/25 second. (The camera was fired using self-timer.)
This creepy Halloween setup is at RightBrainPhotography's home (see his photostream for all sorts of Halloween goodness). His Halloween display is quite elaborate.