NVIDIA special shaders addon - Half-Life 2: Overcharged mod for Half-Life 2
This addon enables special Nvidia shader effects in mod. Extract in sourcemods/OVERCHARGED/ mod folder (not addons or custom_addons)
Half Life 2 Overcharged Mod For Vidia Special Shaders Addon Ingleplayer Maps Ultiplayer Maps Layer Skins Eapon Skins
Source: moddb.com