Safari can't see World Cup Yahoo videos

I have Safari 1.3.1 operating in MacOS 10.3.9, and the latest Windows Media Player, QuickTime, and Real Player for the Mac. However, almost every time I try to watch 2006 World Cup videos from Yahoo's website (fifaworldcup.yahoo.com/06/en), I get an error message (Cannot find file. Verify the filename and path and try again). I obviously cannot verify anything, as it's Yahoo who names the video files (not me). Can anyone help me to view these videos? Is there a trick with Safari's settings? Thanks.