Creating special effects

In this task, I will explain the following three special effects of the prezi:

• Three-dimensional background

• Voice-overs

• Video of the eye

Prepare for lift off

To create voice-overs, you'll need sound editing software. I used Audacity (audacity.sourceforge.net) for it. To create the video of the eye looking through the prison bars, you'll need Adobe Flash Professional and, depending on the file format, a converter. I bought the original video available at iStockphoto.com.

Engage thrusters

Let's start with how I used a 3D background in the prezi.

Using a 3D background

What I often do while designing a prezi is scroll through a stock photo site, such as iStockphoto.com. I type in one or two keywords and search for the inspirational pictures. These pictures give me new thoughts and new ideas.

This was exactly what I was doing while working on my prezi for the Prezi + TED contest. I searched the terms prison, barbed wire, and black and white and found the following image:

The image...