Joe Audette found this design by d carter here:
http://www.opendesigns.org/designs/786/index_green.html
and created a mojoPortal skin base don it

Designer's site: http://www.dcarter.co.uk/

This standards compliant website template is released as an 'open source' design
(under the <a href="http://creativecommons.org/licenses/by/2.5">Creative Commons
  Attribution 2.5</a> licence), which means that you are free to download and use it
  for anything you want (including modifying and amending it). The logo image
  is from a digital photograph taken by me, so there are no issues with copyright
  there. All I ask is that you leave the 'design by dcarter' link in the footer of
  the template, but other than that...