On Thu, 2007-04-26 at 23:43 +0300, Dotan Cohen wrote:
According to the 'man', one should be able to toggle the mplayer size with command-1,2,3,4 and achieve fullscreen with command-f.
Just press the "f" key by itself, one of the mplayer windows will have to be the active one, so it gets the keypress, and make sure that the caps lock is off.