Prezi is a great alternative to using Powerpoint or other standard presentation lectures in your class. It is a cloud-based software that creates interesting, fluid, and animated presentations that will keep your students' attention. I have had great success with using these presentations in class.
If you want to see a SHORTENED, preview version of the presentation in order to get a sense of the animation, copy and paste the following link into your address bar:
This particular Prezi provides an overview of themes, symbols, and motifs in f F. Scott Fitzgerald's The Great Gatsby. I use this presentation at the end of our book study as a review and overview of all of the major thematic elements that we discussed in class.