Butterfly Movement

Hi

I am using this TUT to get my BUtterfly to move:
http://www.kirupa.com/developer/actionscript/random_motion2.htm

But i got one problem, how do i change it so the “front” of the butterfly always are in the direction that its moving?

Kinda like this:

http://www.lifeforcerecords.com/ecardraunchy.htm