Liktor

http://www-128.ibm.com/developerworks/ibm/library/i-osource6/index.htm...

In this article you learn how to create a very simple, custom module to provide announcements on a Web site. The information should not be interpreted as a rigid set of development guidelines, but rather, as a place to start when building your own custom modules. In many cases we provide a quick introduction to topics and refer to the Drupal documentation to provide in-depth details.