A simple Joomla plugin that automatically generates description meta tags by pulling text from the content to help with SEO. It also gives you the ability to set different title configurations.
The main branch is for Joomla 2.5. Check the J3 branch for the Joomla 3.x version of the plugin.
Usage: http://www.daobydesign.com/free-plugins/seosimple-joomla-plugin/ Joomla Page: http://extensions.joomla.org/extensions/site-management/seo-a-metadata/meta-data/4102