I made a slideshow presentation in Powerpoint, which I want to copy to a dvd disc which can be played on Windows or Apple. As this is a Photographic and Designing Portfolio, I want to maintain the best quality possible. I captured the slideshow with SnapzPro, but are having trouble burning it onto a disc. First, I saved it as a the Quickbook movie animation, with excellent quality, but it was too big to burn to disc. Then saved it as MP4 file, in the finder right-clicked...