Here are two excellent posts on presentations.
The first, Do Your Slides Pass the Glance Test? by presentation guru Nancy Duarte talks about the importance and power of your slides scanned and understood in a few seconds.
It’s Time to Retire ‘Crap Circles’ talks about the contemptible “Smart Art” infesting many PowerPoint presentations today. One of my ex-collegues churned one of these monstrosities out every time he took the podium. Bleah!