Swirl Marks?
3M, Meguiars, and Menzerna all make great swirl removers - I've had the best luck with Menzerna as they use a filler-free water-based formula.
To remove swirls one of the best things to do is read, and I'd recommend this link as a starting - http://www.properautocare.com/usporcabpol.html
-Tom

