I would like anyone who doesn't know what motion blur is to read these pages before reading anything else:
http://en.wikipedia.org/wiki/Motion_blur
http://freespace.virgin.net/hugo.elias/graphics/x_motion.htm
http://www.crossfire.nu/?x=tutorial&mode=item&id=5

Creating motion blur
There are basically two different approaches when creating motion blur to footage that isn't already motion blurred. The first method is to record the material at actual playback speed, then use a third-party so