Plugins/Mblur - Compiz Wiki

The Motion Blur plugin offers a motion blur effect, achieved by blending frames together into an animated time-lapse image.

Usage - Plugins/Mblur - Compiz Wiki

The motion blur effect can be toggled via <Control>F12.

Configuration

Motion Blur on Transformed Screen
Motion Blur mode	The method used to create the motion blur. Can be either Texture Copy or Accumulation buffer.
Motion Blur Strength	The intensity of the blur effect. The higher this value, the blurrier the effect.