
I think we should have a default world background like these proposals.
Graphite
Blue and White
Graphite Enlarged
Blue and White Enlarged
To be honest, the graphite looks extremely slick and classy. It would give the site some flavor and attitude. That would be an awesome default color scheme for the website.

One with the bottom bar filled in

Filled in the bottom bar, fixed the double heads, and removed the specks from the top.