"OpenGL pseudo-driver that adds some graphical enhancements to OpenGL-based games. You should place opengl32.dll and QeffectsGL.ini to the game executable's directory before running the game. If the game has multiple renderers available (e.g. Half-Life, Unreal), OpenGL renderer must be switched to."
Copy the files from the archive (QeffectsGL_readme.txt, opengl32.dll and QeffectsGL.ini) in the Kingpin directory, where your Kingpin.exe is. After you run the game, a log file will appear (QeffectsGL.log). You can read it to see if you have any errors. To uninstall, just delete the three files. Enjoy my modified QeffectsGL. All thanks go to made by XaeroX, the maker of QeffectsGL.