Add transitions between slides

Add transitions between slides – to make your presentation more interesting and elegant, you can try this.

What is Slide transitions??

Slide transitions are the animation – like effects that occur in Slide Show view when you move from one slide to the next. You can control the speed of each slide transition effect, and you can also add sound.

Microsoft Office PowerPoint 2007 includes many different types of slide transitions, including (but not limited to) the following:

1. No transition

2. Blinds Horizontal

3. Blinds Vertical

4. Box In

5. Box Out

6. Checkerboard Across

7. Checkerboard Down

8. Comb Horizontal

9. Comb Vertical

To see more transition effects, in the Quick Styles list, click the More button as shown in the diagram above.

there are some slide transitions in Microsoft Office PowerPoint 2007.
just click animations on menu bar.

You can control the speed of each slide transition effect, it mean you can increase or decrease the speed of transition, fast or slow slide transition. and you can also add sound.
How to it?? its easy, on the right of the animations menu or sreenshoot bellow.

Good luck.