I have finally gotten to posting my presentations from the Northern Virginia Joomla! Users Group on SlideShare.
Here is the most recent, Timeless Tips extracted by Dorothy Firsching from Jen Kramer's book, Joomla! Start to Finish: How to Plan, Execute, and Maintain Your Web Site, Wrox, 2010.
Jen Kramer is president of 4Web, Inc., a company dedicated to building highly customized Joomla! web sites.