Link Vault is a WordPress plugin that adds a widget to your post editor allowing you to easily drag and drop commonly used hyperlinks.
Link VAult's installation is fairly straight forward.
/wp-content/plugins/directory of your blog.
1) This plugin has not been tested with MU. 2) Firefox versions behave odd with drag/drop so copy method preferred. See our screencast. 3) IE versions are all over the map. Best used with Chrome and Safari. 4) This plugin is designed to work with WordPress 3.1.
See our screencast for more information at http://wphost.co/plugins/link-vault