Wow, that is really, really cool. Add that to Blender for 3D and node compositing, GIMP for photo manipulation, Audacity for audio editing...you have a fairly complete tool kit there!
I wonder if there’s a good, high quality (and FREE) DVD authoring program a la Adobe Encore out there....?
There might be something here for you. http://www.ilovefreesoftware.com/08/featured/6-best-free-dvd-authoring-freeware-to-create-dvds-from-home-movies.html