Mat Bowles

What you need then, is to use Flexible Squares and link to an external stylesheet.

(innerbratis a very slightly modified flexible squares, as is princeinexile. copper_fray and ms_ntropy are both the same layout with different stylesheets)

Or spend the Easter weekend just prodding at the layer. S'really not that complicated; the hardest part is tracking down the relevant property names, as the online documentation's not all that easy to navigate at first.