STEPS:
1: Choose which version you want to use, either the Normal Version or Camoflaged version(Screenshots are provided).
2: Open the folder of which version you want to use. inside either folders, there should be 2 folders
each saying, materials, and models.
3: Copy all of these 2 folders into your steam/steamapps/your account name/counter-strike source/cstrike folder.

Thats all!! 