you could use
favorite band
favorite singers
favorite animals
favorite drink
favorite songs
stuff i really want
They would have much more use for Word than they would for Powerpoint, but they could use Powerpoint for some things.
You can create as many slides needed for your powerpoint presentation, though when it comes over a hundred, the slides will appear bigger.
Yes...you can use live video as background in PowerPoint but there are some softwares that can made this possible..
Yes. Any kind of sounds can be added to Powerpoint. There are some built-in ones. You can also add your own. So if you had a CD with music on it, that could be added in. If you recorded yourself singing, that could be added in. It can be done through Insert.
If you ask specific questions here, you will get some answers that will help you in your PowerPoint presentations. Also try asking someone who knows more about PowerPoint and they may be able to help you quicker as they can see what you are doing. Also do a search on the internet for PowerPoint tutorials that will help you to learn how to use it. Even if you just experiment with it yourself you will be able to learn how to do basic things.
Slide shows, costum animation...
Only if you do not use anything that is not on the old powerpoint.
why isn't PowerPoint helpful..........
Yes, you can use files saved on Microsoft PowerPoint 2003 in Microsoft PowerPoint 2007 (but not the other way around).
The Microsoft website should have tutorials on how to do Powerpoint. You could also use the internet to find help with the problems you are having trouble with.
If you are making a visual presentation with an overhead projector of some type, use Powerpoint as it handles visuals better than Word. If you are merely presenting a factual document or term paper or the like, use Word.
You can use the "Share Screen" feature and run the PowerPoint on your computer. Alternatively, you can send the PowerPoint as a file through skype for each user to use.