You can also import clipart or even quicktime movies. PowerPoint has a set of pre-formatted slide layouts. Just pick whatever appeals to you. This is where you can apply transition and build effects. Transition effects are determine how the one slide is replaced with another.
Build effects determine how the subheadings appear under the title of each slide.
This is your chance to animate your slide show, making the bulleted lists slide onto screen one at a time. Save your file to disk, and your done. You'll want to make sure you get a copy of the viewer, which should be in the same directory as the program.