How do I alter my forum to look like this?

[Dark Aura]

How can I get my forum to look like this, with the header down the side and a little across the top, and with the actual forums pushed over?

Click Here

Any help would be greatly appreaciated, thank you

Also how do I add the bit in the top hand right corner beneath the navbar, the part that states new posts and threads since your last visit?

[MindTrix]

Dead Link

[Zachery]

CSS.

background: #FFFFFF url(path/to/image.ext) no-repeat top left;