Rdcinhou :
(the stuttering video we have been talking about it quite many times: it's mplayer embedded mode in specific? versions is worse. unfortunately this we cannot do nothing but wait mplayer to improve) -
anyhow the important part is the aspect ratio:
So it's stretching on the non-fullscreen on youtube ? is that what you mean?
sorry for asking if it's dumb... but it's just to make sure.. (because it was not supposed to change from beta9 to this)

BR

Marcelo