Is Windows Movie Maker WinXP only?
If that is a problem, try TechSmith Dubit
http://www.techsmith.com/products/dubit/default.asp
DubIt Audio Editor makes it easy to:
Record audio
Add audio in real time while viewing movie or image
Use voice narration to explain AVI or image
Import audio
Insert a WAV audio file anywhere on movie soundtrack
Add music or sound effects
Edit audio
Add/modify/delete the movie sound track any number of times
Select the audio format you want
DubIt is the perfect tool to quickly add voice annotation and sound
effects to a movie or image, because DubIt uses the familiar VCR-style
"Media Player" interface that everyone knows how to use.
Simply open a movie or image and hit DubIt's record button - it's that
easy!
How can I use DubIt?
* Create online training movie clips with voice narration
* Add emotion to images from digital camera or scanner by adding
voice, music, or sound effects
* Submit help desk problem reports with voice annotation
* Annotate images, screen captures, movies with absolutely no
typing or image markup tools
* Send the movies created by DubIt as an e-mail attachment or put
it on your Web page
* Easily add narration to a video clip or image and then add it to
a larger production using your video editor
In addition, DubIt:
* Adds audio to file types AVI, BMP, GIF, and JPG and to any image
copied to the Windows Clipboard.
* Extends the length of a movie or image to hold a sound track of
any length, and can optimize the extended video to make the movie file
size as small as possible.
* Performs absolutely no video re-compression.
* Lets you select the movie size created for still image
annotation - options include the original image size, a standard movie
size, or any specified movie width and height.
* Gives you full control over the movie playback size while you
are adding audio - full screen size movies can be played without any
resizing.