I was curious what a 100K JPEG image would look like below the rather bland navigation bar. Not too bad, actually! The image whitespace at the top looks cool with the category tabs.
But yes, it’s a big JPEG, both in terms of bandwidth and layout. The tick marks on the side are also a problem, because they blur out if the JPEG quality isn’t high enough. And you can’t really see very much text. Annoying? I guess I’ll find out.