Originally Posted by Calhoun
Probably your browser cache. Your web browser "caches" commonly accessed images so it doesn't have to download them every time (and not downloading each one every time speeds up your browsing). Eventually the cached image expires and it downloads a new one.

This, exactly.

The new avatar uploads immediately, but your browser will load the cached image until it expires, which time is entirely a function of your browser settings.

If you clean your cookies and refresh, you should see it right away.

I see the Savage biz card as your avatar right now.

"What we obtain too cheap, we esteem too lightly: it is dearness only that gives every thing its value. Heaven knows how to put a proper price upon its goods; and it would be strange indeed if so celestial an article as freedom should not be highly rated." Thomas Paine