Propagating theme settings across Network install

Generic Question:
How do I force a theme, or a theme framework, containing settings, to be propagated to sub-blogs on a network as the standard across the entire site?

Are there settings other than "New Blog Template" that can require it to happen?

Thanks again,

HG/mws

p.s: You don't need to stroke me and tell me what a great question it is or how much you appreciate it. I'm a big boy.