Starting with a sound structure – predictable HTML layouts using the YUI

In Christian Heilmann's first article (http://dev.opera.com/articles/view/progressive-enhancement-and-the-yahoo-u/), he went through the basics of progressive enhancement and how the Yahoo YUI helps to facilitate it (along with a rundown of the major parts of the YUI and what they do.) In this article he heads right on to the basis of any good site - a sound markup structure - and shows how YUI can make HTML painless and easy.

( Read the article )

Surely <h1 id="hd">Header, baby, yeah!</h1> carries more semantics?

This article is great, but one thing I have never figured out is how to keep the footer at the bottom using the YUI grids.

Just like this:
http://ryanfait.com/sticky-footer/

Is there a way to integrate the two together?

Any help would be appreciated.