I ripped the Aperture tutorial DVD (I own Aperture) with the latest Mac The Ripper, and was hoping to find an app to just watch it from my internal hard drive. That seems to have failed. Is there something that will run this ripped set of files with the normal tutorial navigation? Short of that, is there a free compressor that will prepare an image that I can then burn with Disk Utility or do I need to buy something like Roxio or Roxio Popcorn 2? Once I do that, should the new DVD work? I'd like to leave my original tutorial disc boxed with the rest of the software.