In addition to the automatic (ie built-in) slide transitions, and text animation effects, you are also able to create your own custom animations. Here's how you do it:

Clicking the `custom animation´ tool brings up the following box:
The fourth step is to select the radio
button `Animate´, and then you have the luxury of choosing from the options in the tabs on the left what sort of movement you wish your graphic to display. When you have made your selection, and maybe added more effects
to more of the items on your page, preview your slide show.