Problem Playing Movie Trailers & Clips

[Debian User Leonard Chatagnier]

Using Sarge stable with RealPlayer 10 Gold.  Can play audio/video files 
with realplayer on all sites but
can't play movie trailers or clips(wmv format) on any site.  Have tried 
my.yahoo.com, cnn.com and movie.com
and all I get is the usual player screen with a black background and "no 
picture" in parenthesis in the center
of the player screen.  Have run media helper or change settings on the 
sites that they're available and get the same
no picture whether selecting windows media player, realplayer or quick 
time.  Have visited the Helix and Sourceforge
sites trying out all suggestions and installation tips with no success.  
I think I have all the necessary plugins and codecs.  Could use any tip 
or trick to resolve this player problem.  Not subscribed to list; please 
copy my email address on any replys.
Thanks for any reply,

Leonard Chatagnier

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