This is a Installation Guide to install deception...
After downloading the folder, extract it into:
c:/programfiles(x86)/steam/steamapps/sourcemods/
if there is no source mods folder simply make one!
After extracting the folders, exit steam, on win 7, you can do this by right clicking on the steam window, and hitting Exit steam, simple!
Now restart steam, the mod should show up in your library, You can also download a fun icon for the grid view which I should have up soon! BYE!