Change the default DVD encoding options, pack extra video on your DVD or ensure the best video quality
Watch an overview of the iDVD preferences
Add additional folders which contain video to iDVD, allowing you to easily insert video not in the "Movies" folder
Change the default DVD type used in iDVD: Dual layer DVD or a Single layer DVD
Change the default burning speed for burning DVDs in iDVD
Select whether you want to create DVDs in NTSC or PAL
