Using firefox with windows xp can not get xm radio to play, says missing plug ins. XM radio works with Internet explorer. I have Media Player 11 and real player installed. How do I get XM to play with Firefox?

Try using Yahoo's XM widget...

You don't need a web browser to use XM online. I don't have WMP11 in front of me but it this is similar to WMP10. Just go to "Browse Online Stores" or "View / Online Stores" or whatever it says in WMP11 about online stores and you will find XM Radio Online. Click the link and it will bring you to the login page and everything will be contained in the media player interface. It will also add an XM Radio tab within WMP. Doing it this way also allows you to run visualizations and minimize the controls to the taskbar.