Switch between standard and widescreen layouts in iDVD
08/10/2010
When working on a DVD project in iDVD, press Command-Option-A to switch between standard (4:3) and widescreen (16:9) layout modes.
Hide or show the Apple the logo watermark in iDVD
03/07/2010
To hide or show the Apple logo watermark in an iDVD project, do iDVD > Prefs > General and check on or off ”Show Apple logo watermark".