Apple Shake 4 Tutorials - Manual (Page 69)

Tutorial 2 Intermediate Skills 69
5 Click the right side of the Over4 node to load the final output into the Viewer.
No motion blur, right? You still need to specify the motion blur settings. (See “Motion
Blur Parameters” on page 67 to review the Shake motion blur settings.)
To activate the motion blur:
1 Scroll to the bottom of the Move2D1 parameters and expand the motionBlur subtree.
2 Set motionBlur to 1.
You should now see some motion blur action.