If you need a flexible and lightweight social share plugin for joomla you should look at SP Share! This is really an awesome plugin for its features. You will able to share your Joomla or K2 contents with Facebook, Twitter, Digg, Linkend and Plusone followers in a very easy way using this plugin.
It allows you to display the share button like a button or box style and can be placed at four different positions in an article. (more…)