The sg1_ct.zip file you have requested: Skins / Players / CS: Source SG1 Counter Terrorist Player Skin - 568.8kb is not available. Perhaps try browsing all files for the game Counter-Strike: Source and upload any files you want to share or are missing. This is the only information we could locate:
This is a SG1 Counter Terrorist Camo Player Skin, and if not mistaken. It looks like the Suits from Star Gate SG1.