The screenshot.pov file only tells the raytracer the location of joints, bodyparts and blood. Colors, lights, materials etc can be specified afterwards.
I run dual monitor (two 17" monitors next to each other). Since this setup creates a larger desktop size, here is two screenshots put next to each other...
I decided to go for some carnage took a while to get the floor to match height on both images in the renderer...
Sorry for the large filesize, but it is 2560x1024 :o