I am not so sure why that isn't working. Perhaps try it on uke instead, when you open the game it downloads your textures, its possible its overwriting your head text.

I was testing this ingame on uke just a second ago and it worked fine for me.

Rather that the youtube video I suggest you try the support channel on IRC first: http://forum.toribash.com/chat_view.php?channel=support

dosent matter works