To avoid misinterpretation of the project name, Linux has had a pronunciation guide for quite some time.
At Drupal Down Under in Brisbane, Australia, kattekrab obtained one for Drupal as well. So if you hear people mispronouncing "Drupal", you can now point them at an authoritative example :-)
Or watch it directly on YouTube at http://www.youtube.com/watch?v=4kUVUCHA9m0