Free Joomla! Templates
Joomla!, being one of the most popular and most used CMS today, undeniably has a huge request for its layout and appearance as well. Having said that, here are some of the sites which you will find totally free Joomla! templates for your use. Have fun!
http://www.joomla24.com/
http://www.joomla.org/content/blogcategory/19/51/
http://www.zacks.mamplates.net/