Presentation: Styles / Improve / Videos / Guide

http://www.juiceanalytics.com/writing/experimenting-with-new-presentation-styles/
http://teachingcenter.wustl.edu/improving-presentation-style
http://www.viget.com/inspire/presentation-styles-trends-trendsetters/
http://www.projectionnet.com/Styleguide/PresentationStyleguide.aspx

Presentation Zen

http://www.presentationzen.com/