I know this is a bit late, but for anyone else reading this it might help them with sound effects.
I was going to say have someone at your school use CS3 and do some simple actionscripting in Flash for the presentation but it looks like you found a good template.
Flash Kit, A Flash Developer Resource for Macromedia Flash MX Tutorials SWF FLA images clipart Sounds WAVS Animations Help and Support has a ton of sound EFX that I have used in the past for flash presentations and design.