awesome'щикам

{ rule = { class = "Gnome-mplayer" },
      properties = { floating = true,
		     tag = tags[1][9],
		     switchtotag = true },
		     callback = awful.placement.centered },

 $ cat .config/awesome/rc.lua | grep MPlayer
    { rule = { class = "MPlayer" },

{ rule = { class = "MPlayer" },
      properties = { floating = true } },