Have you tried SweetFX already ?
SweetFX allows you to inject a suite of post processing effects into any DX9, 10, or 11 game (32 bit only). E.g. SweetFX is a universal image improvement and tweaking mod, that works with almost any 32bit DirectX 9, 10 or 11 game or application. It is completely and easily configurable via text file. SweetFX is a mod built on the InjectSMAA shader injector, that allows you to apply a suite of post processing shader effects to your games. Some amazing results can be achieved with this mod.
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