Part I of the three part series on Homilies mentioned a few web resources related to preaching, homiletics and scripture. Now let's take a look at sites that help you with delivery...public speaking training here we come!
http://artofspeaking.org/blog/ - The Art of Speaking
Learn by watching others. This blog offers tips and hints, but also provides video of effective speakers giving presentations.
http://www.successfulcommunication.com/ - Successful Communication
You can join the site or use the free tools that are available. Helpful forms ask you questions that determine if you've covered everything you need as you prepare to speak in public.
http://www.toastmasters.org/ - Toastmasters
An organization with many regional chapters. Free resources on the site are perfect for those who do not wish to join or are short on time.
Or check out some of these titles at the library:
Winging it: Everybody's Guide to Making Speeches Fly Without Notes by Keith Spicer
7 Steps to Fearless Speaking by Lilyan Wilder
Mastering the Art of Public Speaking by Peter Desberg
Plus many, many more