Create a disc image of a project in iDVD
In iDVD, to create a disc image of a project, instead of burning it to an actual DVD, choose File> Save as Disc Image.
Set a slideshow to advance manually in iDVD
In iDVD, to set a slideshow to advance manually, open the slideshow and choose Manual from the Slide Duration pop-up menu.
Loop a movie in an iDVD project
To loop a movie in iDVD, select it in the project's menu or map view then choose Advanced> Loop Movie.
Turn off movement on a motion menu in iDVD
In an iDVD project, to turn off movement on a motion menu, choose View> Show Inspector then, in the Menu Info window, set Loop Duration to zero.
Revert a button back to its original style in iDVD
In iDVD, after changing a button's style, to revert back to the style that came with the theme, select it, then choose Advanced> Reset Object to Theme Settings.
Always show titles and comments with images in iDVD slideshows
In iDVD, to always show titles and comments with images in slideshows, choose iDVD> Preferences> Slideshow and select the "Show titles and comments" option.
See the TV safe area for a project in iDVD
In iDVD, to put a boundary around the area which will be viewable on most standard, non-widescreen televisions, choose View> Show TV Safe Area.
Hide all drop zones on a menu screen in iDVD
In iDVD, to hide all drop zones on a menu screen, select any drop zone, choose View> Show Inspector and deselect the "Show drop zones and related graphics" option.
Change a motion button to a still image button in iDVD
In iDVD, to change a video on a motion button to a still image, click once to select it, then click again and select the "Still Image" checkbox.
Save a customized theme as a favorite in iDVD
In iDVD, to save a customized theme as a favorite, so that you can use it for future iDVD projects, choose File> Save Theme as Favorite.
Position menu buttons anywhere in an iDVD theme
In iDVD, to position menu buttons anywhere in the theme (instead of in a fixed grid), choose View> Show Inspector> Buttons> Free positioning.
Add non-clickable text to an iDVD project
In iDVD, to add non-clickable text (such as a title) to a project, Control-click in a blank area of the project and choose "Add Text Object" from the menu.
Loop a slideshow in an iDVD project
To loop a slideshow in iDVD, select it in the project's menu or map view then choose Advanced> Loop Slideshow.
Import content directly into a drop zone in iDVD
In an iDVD project, Control-click a drop zone and choose "Import" from the menu, to import a movie, slideshow or image directly into the selected drop zone.
Switch between standard and widescreen layouts in iDVD
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
To hide or show the Apple logo watermark in an iDVD project, choose iDVD> Preferences> General and select or deselect “Show Apple logo watermark”.