Change weapon Skin

Hey guys.
I need help with edit weapon skin (change m4a1 skin to m4a1 gold)
Anyone can make for me .Rez file with edited skins?
Desert Eagle skin change on Desert Eagle Gold
AWM skin change on AWM Red Dragon.
M4a1 skin change on M4A1 Gold/Tiger.
And Ak-47 skin change on Ak-47 Gold.
Please.
(Or make tutorial)
Sorry for me English but I am from Poland..

YES , i can do That !
Take a look at my thread here:
Ill update it evryday...
http://www.mpgh.net/forum/194-crossf...z-modding.html