It is known to work in the great majority of cases with Safari 3.0.4, QT 7.3 and OS 10.4.11. These are the downloads and the settings you need in order to view/hear pretty much everything that the net can throw at you: The setup described below has proved repeatedly successful on both PPC and Intel macs, but nothing in life carries a guarantee! Whether it plays in your browser or a separate window is dependant on how the site is programmed. Windows Media Player has not been supported by Microsoft for the Mac for a number of years, and they themselves refer you to Flip4Mac. I do not want to use 'Flip4Mac' as an alternative