Currently Being ModeratedJan 24, 2013 5:03 PM (in response to DD Smooth)
The only sure fire way to get all themes is to start with the iLife 09 disc:
This shows the iDVD contents in the iLife 09 disc via Pacifist:
You then can upgrade from iDVD 7.0.3 to iDVD 7.1.2 via the updaters at the Apple Downloads webpage.
The iLife 11 disc only provides the themes from iDVD 5 - 7. None of the updaters available from the Apple Download site contain the earlier themes