• Presenters University offers tips, templates and other free stuff to enrich your content delivery.
  
  
• What are the top mistakes that presenters make when using PowerPoint?
  
  
• Microsoft Office Online provides PowerPoint assistance, training, clip art and templates.
  
  
• Microsoft Producer helps to capture, synchronize, and publish audio, video, slides, and images to create rich-media presentations.  This software is downloadable and free to licensed users of PowerPoint.
  
  
• Singing Fish is an audio/video search engine that allows the user to save previous searches and to limit content by format, duration and category. 
  
  
• Altavista Video Search also allows searches to be limited by format or duration.  This engine's simple interface provides easy navigation to searches for News, MP3/Audio, Images or Web.
  
  
• C-Span content is easy to search from their one-box video search.  An advanced search screen allows for limiting by date, as well as by category, topic, and series.
  
  
• UC Berkeley Media Resources Center has a comprehensive index of metasites and search engines dedicated to audio, image and video streaming.

Copyright Questions

• http://www.mediafestival.org/copyrightchart.html
• http://fairuse.stanford.edu/
• http://www.copyright.com/ccc/do/viewPage?pageCode=ac11