Our website provided a free download of iDVDThemePAK 6.0 for Mac. The program lies within Audio & Video Tools, more precisely General.
From the developer:
iDVDThemePAK is a group of pre-made iDVD themes to quickly create your media creations. Every single one of our themes has custom buttons not seen anywhere else. They also have custom crafted backgrounds consisting of 3D elements, natural motion, and colorful relevant graphics. Don't settle for stock footage or photos for your DVD projects. Each PAK comes with 6 motion menus and 2 still menus.