I found this javascript-controlled audio streamer I made a while ago. It weighs in at a massive 1.2k and is very basic. Maybe you could make it a personal challenge to make it smaller!
Download the swf here. (right click & save).
Source (AS2):
Main.as
MiniStreamer.as
How to use:
Basically you need to embed the swf at whatever size you would [...]

Nothing too spectacular, but I threw together a new pointless animation for my front page.
See it here.
One day I will have enough varied content to warrant a menu or something.
Here is the source, for learning purposes. It won't compile without a couple of files, but you can get the idea