Joomla get rid of ugly category list

from this post
http://forum.joomla.org/viewtopic.php?f=428&t=273447

change
$category->link = JRoute::_(ContentHelperRoute::getCategoryRoute($category->slug, $category->section).'&layout=default');

to
$category->link = JRoute::_(ContentHelperRoute::getCategoryRoute($category->slug, $category->section).'&layout=blog');

and you end up with a blog layout from the section list