Here is a nice module, which supports : Twitter Followers, Facebook Like, Facebook Recommend, Facebook Send, Pinterest buttons. You can switch on/off between any of the buttons and show them anywhere on your website. Very very easy to setup and works out of the box. This module is cross browser compatible and works on all the modern browsers. Bug Free and works great!It is compatible with Joomla 1.5, 1.7, 2.5 and 3.0.