Second sample module for Chapter 11. A simple implementation of a Drupal 7 Image Style that adds a configurable watermark to an image
First sample module for Chapter 11. A simple stream wrapper implementation for reading images from Twitpic into Drupal.
Sample module for Chapter 5. A marginally useful module designed to allow sending warnings to Drupal users. Introduces many fundamental Drupal concepts like hook_menu() and FAPI.