iMovie '09 & iDVD: The Missing Manual

Submenus ("Folders")

Depending on the theme you've chosen, iDVD may impose a limit of six or 12 buttons on a menu screen. Fortunately, that doesn't mean you're limited to 12 movies per DVD. You can accommodate more movies by creating submenus—additional menu screens that branch off from the main menu. You can even make sub-submenus (Figure 17-4).

Figure 17-4. An iDVD menu screen can't hold more than six or 12 buttons. If you try to place any more, you'll have to branch off into submenu screens, or even sub-submenu screens. This DVD has two movies, each of which has chapters within. When your audience clicks a movie's name (with the remote control), they go to a submenu screen with a Play button (to play the whole movie) and a Scene Selection button (to open yet another menu screen, this one showing your chapter markers so that the audience can choose a point to begin playback). These submenus create extra room for navigation through your project. As your projects grow more complex, you must use folders (submenus) to add enough space to showcase all your pictures and movies.

You may have seen this effect already, in fact, if you've tried to create an iMovie DVD containing more than a handful of chapter markers.

You can also create this effect manually. Whenever you choose Add Submenu from the + pop-up menu at the lower-left corner of the screen, iDVD adds a submenu button to the current ...