Windows DVD Maker: Green Menu Crud

Some menu templates, such as "performance," preview with a green distorted
crud around the video, both on the static preview and when I click "preview"
to see the menu actually function. This isn't what the tiny thumbnail
suggests should be there.

Do I have to burn one to see if it comes out ok, or is this a known problem
and I should wait for a fix or choose a different menu?

Thanks,

Teddy