Created 7 years ago2017-08-15 16:57:02 UTC by NintyFan290
<mod directory>\gfx\env\<skyname><suffix>.bmp/.tgaNames go like <skyname>lf for example. You can do: lf, rt, up, dn, bk, ft. Left, right, up, down, back, and front; respectively.
So I went the silly route and pasted the textures I wanted for the sky into MS Paint and saved them in HL/valve/gfxThey should be in gfx/env.