I had the pleasure of reading Garr Reynolds blog today and i found myself smiling so much i had to share it..
Looking at good and bad presentation techniques as Good vs. Evil, featuring again a well known universe that we can all relate to:
A long time ago before death by powerpoint: http://www.presentationzen.com/presentationzen/2010/08/a-long-time-ago-before-death-by-powerpoint.html
Contrasts good vs. evil: http://presentationzen.blogs.com/presentationzen/2006/01/contrasts_in_pr.html
Hope you get a smile out of it as well