I've created a favicon.ico, and put it in the root of my directory. I have more than one domain going, so it's in the root of the domain path, and not the absolute root of my account (I mention this, but it shouldn't make a difference as far as I know?). When I look to see that it's there, pathwise (http://www.sleepingcat.com/favicon.ico), it shows up fine in my browser (Firefox), so I know it's there, path's ok, image is working, etc.
However, it's not showing up on the site at all. I've cleared my cache to double check. Is there any other step to this that I've missed?