Add Google Analytics event tracking to my site

I have Google Analytics installed on my Joomla site. Right now it only tracks page views, but I also want to be able to track downloaded files and external links. I want to use the Event Tracking ([login to view URL]) not virtual page views. I want the event tracking code to be added automatically to download links, and external links. There are a few Joomla extensions that say they do this, but I haven't had a chance to try them all out. The site we will be working on is here: [login to view URL] Please let me know if there are any questions.