> Have you tried switching the hardware acceleration on or off either through > the interface or the /etc/adobe/mms.cfg file ? Tried all combinations, no luck. > For YouTube, you should switch to HTML5 [1]. Yes, I'm well aware of the HTML5 youtube. It's still not up to speed, as far as stability or functionality as the flash one. It still needs ironing out. I won't comment on the fullscreen performance though. :) I'm probably out of luck for now, html5 it is, at least the fullscreen works great!