CSS3 Continuous Rotate Animation (Just like a loading sundial)

Question

I am trying to replicate an Apple style activity indicator (sundial loading icon) by using a PNG and CSS3 animation. I have the image rotating and doing it continuously, but

Answer 1

If you're only looking for a webkit version this is nifty: http://s3.amazonaws.com/37assets/svn/463-single_spinner.html from http://37signals.com/svn/posts/2577-loading-spinner-animation-using-css-and-webkit