Rotating? Like an animated .gif file or "blinkie"? I make mine on Photoshop/Imageready CS. If you need help, here's a
tutorial. If you still would like some help, you could email them to me and I could make one for you :-) Here's the one of my pup I made today:
http://img13.exs.cx/img13/5629/sullywoofblink9vx.gif