The combine_camo_v3.zip file you have requested: Skins / Npc / Half-Life 2: Combine Camo Skins - 19.49mb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
These are skins for the basic combine soldier (and the shotgun trooper). I have done the camouflage and recoloring of the various parts, but you can thank Fakefactory for the detail. They include files compatible for Half-Life 2: episode 2 as well as basic HL2. v3 adds many changes and improvements as depicted below.