Hi! You need the WMP9 runtime distribution files installed, wmfdist.exe, not just the codecs. You can either install WMP9, or get the "Windows Media Format Series 9 SDK". If you choose the SDK, it is here they must mail you a url:
http://wmlicense.smdisp.net/v9sdk/ As long as you give a real email addy you will get a reply. Install the SDK, hopefully on a test bed
, then do a find for "wmfdist.exe"--install that on dream machine. Good to go here! BSP plays asf/wmv then just fine. Ciao!