Spread This - WordPress Plugin
Spread This is a nifty little WordPress plugin that allows your Blog visitors to easily submit your articles to the top social bookmarking sites. It was created as a low CPU overhead plugin. Some plugins of this type drastically increase the time it takes to load pages due to having to probe the database for information each time they are run. In addition, many similar plugins use javascript, further consuming precious bandwidth that could be better utilized elsewhere.
Spread This is slim, clean and complimentary to WordPress sites that don’t wish to waste precious bandwidth and CPU usage.
Spread This Screenshot:

How To install and use Spread This:
- Download Spread This
- Extract the contents of SpreadThis.zip
- Copy the SpreadThis folder to your WordPress /wp-content/Plugins directory
- Enable SpreadThis from your Plugins menu in the WordPress administration panel
- Copy the code snippet below to a template file (preferrably single.php). For example you could add the snippet to your template just before the sidebar or footer are called in. This would display the SpreadThis Social Bookmarking list at the end of every post.
<?php if(function_exists('SpreadThis')) { SpreadThis(); } ?>