Using the URL shortening service with a Drupal powered website

I like to use the excellent URL shortening service, but how can I easily integrate that into a Drupal website?

There is an excellent Drupal module, that works for both Drupal 6 and Drupal 7 websites, called Shorten URL ( It provides the ability to utilise shortened URLs, and because it offers the ability to add a custom shortening service, that includes