Use the following case-sensitive codes after enabling the Postprocessing cheats with the boolProp enablePostProcessing true code. Note: Do not enable or use the
Postprocessing cheats unless your video card supports pixel shaders.

Effect - Code

Blur effect; red, green, blue value must be between 0 and 255, and x (bloom)
between 0.0 and 1.0 - bloom [r g b x]
Centered blur effect; centerX and centerY are screen coordinates; x (vignette) must be between 0.0 and 1.0 - vignette [centerX centerY x]
Grainy screen effect - filmGrain [0.0-1.0]
Letterbox screen effect - letterBox [0.0-0.4]