You will need to record your presentation using programs such as Camtasia.
Then, convert the movie to MPEG2 file, which is needed for a video DVD.
Next, import the video into a DVD authoring program to create the DVD menu
and setup.
Lastly, burn into the DVD-R/RW.
A number of tutorials can be found here. Check this out:
http://www.rdpslides.com/pptfaq/FAQ00156.htm
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Shawn Toh (tohlz)
Microsoft Most Valuable Professional (MVP PowerPoint)
Site Updated: April 13, 2006
Added new portfolio
http://pptheaven.mvps.org
PowerPoint Heaven - The Power to Animate