Skybox Change!

[_Shapes_]

i know how to change the sky boxes i think.......
anyway i cant seem to find the orginal skybox i have searched throguh every mpq with models and can only find such as CoT, outlands, DiM, Strat holme....
Plz give me a skybox change where orginal sky loox like outlands or at least where the orginal is

[A_Snake01]

From what I remember, it's actually embedded within the world files, meaning you can't really extract and replace it unless you know how to actually edit the files themselves, and not just swap them.