Is there any free software out there for designing custom cursors?

Umm, google it up? Lol, I downloaded one..I think it's called Art cursors..and yeah..didn't know how to work it.

yes try this site downloads>icon then just unzip it

http://www.axialis.com/axcursors/
^ Heh. Kinda simple, but kinda not.
(Go to dowloads to sample it. :P)

http://www.microangelo.us/
^ I have a tutorial for this one.
( http://regretless.com/dodo/newworld/ )
(Tutorials ~> Graphics ~> Misc. ~> Cursors)