The lovely people at Lynda.com have just released a set of over 30 instructional videos on how to use drupal from first principals right the way through to restoring your drupal site from a database backup. There is something for everyone here.
Visit Lynda.com Drupal Tutorials
This screencast is a superb mashup using CCK, Filefield and jquery and jquery media module to host video on a drupal web site.
Simple screencast explaining how to harness the power of views arguments
The nice people at Mastering Drupal have created tow useful screencasts about the new i18n and l10n features which are about to become available in Drupal 6.
They come in two parts, click here for details.
There are thousands of screencasts on the net about Drupal. Once in a while you stumble accross one which changes the way you think with Drupal. This one about The New York Observer and the developers approach to publishing multiple nodes on one pages is a good example of lateral thinking and a slick solution.
View the New York Observer screencast
In just 21 minutes flat Elliot Rothman illustrates how easy it is to go from no site to a fully functional image gallery with thickbox features. This kind of tutorial is great stuff for anyone wishing to get to grips with how to mashup modules in drupal to achieve stunning results. No coding, just configuration, showing just how powerful Drupal really is.
The SlideshowPro Flash Photo Gallery has always been one of the best and easily deployed photo galleries. It is wonderful to see that there is now a Drupal SlideshowPro module and it integrates directly into existing Drupal Galleries using the Gallery Module.
To understand how to install this module, which is slightly more complex than your average module please see the excellent screencast on the Development Seed blog.
The webform module provides the ability for Site Adminsitrators to generate complex forms for a Drupal website without the need to write any code. It has an intuitive forms based administrative interface which is very well described on this Webform Module Screencast.
Robert Douglas talks about strategies for Caching in the Drupal CMS.
The guys at Minezone have collated a massive list of Drupal screencasts covering subjects like customising home pages, Applying patches to core, themeing and more. There is something for every level of user.