Official Google Docs Blog: Presentations turns 1
To start off the announcement... reveals! You can set the order that objects appear. Or, setup a textbox to reveal paragraphs or bullets one at a time as you're giving a presentation. Set the order that an object appears by right-clicking on it and...

Slideshows 2.0 -
Great ideas for getting more from your powerpoint!

Brain Rules for Presenters: Garr Renolds
One of the best books I have read this year is Brain Rules: 12 Principles for Surviving and Thriving at Work, Home...

YouTube - Authors@Google: Garr Reynolds
A great presentation talking about how to present well.

The Ajax Experience - Resources - Presentations
Presentations / Slides from The Ajax Experience 2008

SlideShare is the best place to share powerpoint presentations
This is a very nice app!

Seth's Blog: Nine steps to Powerpoint magic
Basics, but they bear repeating. Since people are apparently incapable of remembering basics.

Welcome to Cottonwood Speakers: Bournemouth Dorset Toastmasters International Public Speaking Effective Presentations Club
Our mission is to provide a mutually supportive and positive learning environment in which every member has the opportunity to develop communication and leadership skills, which in turn foster self-confidence and personal growth through developing public...

Flowgram
Combine web pages, photos, powerpoint, video and audio

Slideshows 2.0 - ReadWriteWeb
With "Web 2.0 tools and applications, you can bring pizzazz to your presentations like never before. Whether you're looking for an "un-slideshow" altogether or just looking to add a little kick to the boring charts and graphs in your...

ignitePhilly
If you had five minutes on stage what would you say? What if you only got 20 slides and they rotated automatically after 15 seconds? Around the world geeks have been putting together Ignite nights to show their answers...