Why are you using HTC streaming medai player or m.youtube for that matter? /
1. Use TCPMP
2. Download this afterwards
http://deblor-freewaresmartphone.blogspot.com/2007/11/skunkworks-flashvideobundle-v143.html
3. Open up PIE on your 6800 and go to the full/classic youtube & Voila, enjoy.