With the combination of the powerhouse jQuery library with its own robust set of JavaScript tools, Drupal 6 comes with a pre-packaged killer JavaScript environment. Cross-platform by nature, it provides all of the tools necessary to create powerful AJAX-enabled scripts, gorgeous visual effects, and view-enhancing behaviors. In addition, Drupal developers have ported some of its most powerful PHP tools... 

Adding and handling multimedia in Drupal requires use of many contributed modules; deciding which to use and how to get the most from them is often not straightforward. This book provides information for administrators and professional site developers who need to embed media in a Drupal site. Readers need basic knowledge of Drupal operation, but no experience of how Drupal handles multimedia items...