Streaming video clip

I’ve embedded my first video clip. Unfortunately, the .avi file opens in a MediaPlayer platform (I wanted RealPlayer) and begins downloading (for 10-20 minutes) instead of beginning immediate play when the page opens.

Please show me where I should correct my code so that the page streams instead of downloads.

The code I used is:

Incidentally, this page is now live and I cannot pull it, only edit it or delete it.