You may have noticed the Facebook Like button at the top of this post. This is a new feautre from Facebook, which allows you to like any site on the web. If you click the “Like” button above, it will post a message to your Facebook wall, which your followers will see.
This is a great way to generate traffic from Facebook to your site, as well as allowing readers of your site to share your posts. I been doing a bit of research on some of the plugins that are available for the Facebook Like button, and eventually settled on is called FaceBook Like Button Plugin for WordPress (Download link)
The options are pretty straight forward as well:
One you have the plugin installed, it is just a matter of activating it, and you will have Facebook Like buttons on each page and post.