Skyparms textures/... line update
Some people (like me) don't like that all skybox sides are given all these same parameters. For instance, the side where the sun is (which is different depending on whether the map's location is situated in the northern or southern hemisphere) can thus not be set brighter or have a different angle of attack (in degrees) than say the top sky-side.
I'm thus not using it at all (but rather just specify a map textures/skies/....tga line, but that also means the far away sky effect can't be used. Perhaps you could make a new command like "seperate_skyparms" together with a number to specify the distance of the sky (in relation to the terrain brush).