Zoho Show

Introducing Zoho Show 2.0: The online tool for making powerful presentations.Whether you are a professional, a teacher, a student, a businessman, a salesman or anyone looking to put together a cool presentation. Zoho Show's pre-built themes, clipart and shapes coupled with features like drag-and-drop makes it an easy application to use.

Here are some of the features of Zoho Show

• Access from anywhere, anytime
  Access, import, edit and share presentations from anywhere and anytime
• Sharing and Collaboration
  No more emailing around of presentation files. Share your presentations with your friends/colleagues and the shared presentations can be viewed/edited with just a browser.
• Present from Remote
  Give a presentation to a client who is half a globe away. Do your demos while at your seat.
• Embedding
  Make your presentations public. Embed them in your blog or website for easy viewing of your readers.More
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And now for the best part - Zoho Show is completely FREE for personal use.

I have used this application a couple of times for school projects. Here is an example of the application and the presentations.