Addtothis is a wordpress plugin for improving your blog traffic. What you want to do is just activate this plugin. This plugin automatically add user option / shortcut for adding a particular post in delicious , stumble , feed readers and technorati

Addtothis - WordPress Social Bookmarking Plugin

Download the zip file and unzip into your wp-content/plugins directory. Go to your administrative control panel / plugin menu and click on the activate link.

The plugin is also available from wordpress official website: http://wordpress.org/extend/plugins/addtothis/
Wordpress Bookmarking Plugin

See sample post after activating this plugin:

Addtothis - WordPress Social Bookmarking Plugin

Comment your opinion / queries regarding this plugin. If you want more additions to this plugin, please feel free to mail : admin@sajithmr.com or comment to this post.