- this time, I'll use id's models skins to show you how to add richness
to your skin. look closely at these images.

the material is grey, ok, but it looks cool, why?
Excepted the great lighting, there is a light glowing effect, like if
the ground was emitting brown light (that's true, the ground is brown
on this damn planet). See, all the shadows are brown (shadows on the butt
of the tank, on the torso of the gunner, on the shoulder pad), but a dark
brown, it's very subtle, but very efficient. you can also notice all the
small brown pixels on the gunner's torso or tank's belt ,that add to the
gritty/dust aspect of the metal and make it looking cool, not boring,
and amazing (well, I know a lot of people bored of seeing everything brown
in quake2, it's all a matter of taste!).
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