Color of maps in black ops

[assassin5469]

I seen alot of mods out that have change the colors of the skybox or changed the skybox all to gether how do you do theres or where do you begin to start doing this

[Nekochan]

setFogExp(100,100,R,G,B, t. time);

[assassin5469]

setFogExp(100,100,R,G,B, t. time);

now is this in the map gsc its self? and is that the code as it is for color
also setFogExp(100,100,R,G,B, t. time);
tells me nothing but that its a code to change the color not how to call it out where to put it or how to on individual maps

[Madnesslink5]

setFogExp(100,100,R,G,B, t. time);

now is this in the map gsc its self? and is that the code as it is for color
also setFogExp(100,100,R,G,B, t. time);
tells me nothing but that its a code to change the color not how to call it out where to put it or how to on individual maps

Ignore that. That gives coloured fog on a map. Custom skyboxes are added by editing the stock skybox files and replacing it with a new one. Look at some custom texture tutorials.