I talked to Locke about this:
Locke told me Moderators are able to Customize their Blogs. I think this feature should be available to all users, not just Mods. Or, at least make it so the blogs and profiles are connected somehow and whatever changes you make to your profile happen to your blog (i.e. The backgrounds for both your Blogs and Profile are the same) Could that be pulled off?
I was thinking about this and I wanted to reserve it for HK, HN's as a motivational factor. I fear if we open it to everyone, we'll get lots of weird looking blogs that are hard to read. It also leads to moderation of the blogs for such factors. However, I'll keep the idea open