You can try PPT2DVD from http://www.ppt-to-dvd.com. It's 3.0 now.You can
download a free trial copy from this website. We are the developer of this
software. Since Powerpoint is too different from DVD video. We must say that
we are not very sure that if this software can solve your problem. However,
we have thousands of customers worldwide now. If possible, we strongly
recommend you to have a try. Thanks.
i do it (convert ppt to video) with the help of this
program-Presentation to video converter.it has an option "burn CD-DVD",
so everything is made in one step.so, google it to try