I can't find it, but a Meguiar's video I saw was pretty good.
It's like the PC, but you always gotta keep moving. Always always, slowly and steadily moving across the panels.
Here is a link for the meguiars rotary tutorial. Just make sure that you scroll down to find the link. This link talks about the whole enchilada so keep going until you find the rotary part. http://www.melncal.com/detailing/