Extract the *.fx file inside your PCSX2 directory (where the main executable file is located).Download your shader of choice (see list of shaders bellow).Make sure you have GSdx version 0.1.16 or higher.
This feature is only available for Windows users with graphics cards supporting Dx10 or higher. Since January 2014, GSdx supports the use of an external file ( shader.fx) as additionally loaded shader program, alongside with the FXAA shader.
