Add to Digg WordPress plugin
This is a very simple plugin that adds an add to digg button (as you can see on this site). It adds a link and image of the form http://digg.com/submit/?url=$permalink.
1. Add a directory called ‘addtodigg ‘/wp-content/plugins/ and unzip the files there.
1. Activate the plugin through the Plugins menu in WordPress, click settings to change options.
Released under the GNU GPL.