Never quite sure of the etiquette concerning reviving old post/starting new ones....
trying out shadow offsets on moving targets (with a shadow overlay) - methods discussed in tutorials "The land of light and shadow" Parts 1,2,3*
Shadow effect on bugs is ok - it can be exaggerated by changing the global value at the start (gvShadowOffset)
Bugs shadows movement splat
(* or was that a song by Ian Dury and the Blockheads ?)