This book is for Drupal beginners. If you want to get started into Drupal quickly consider buying and follow this book.

This page has got some of the best resources for Colors and Themes. Create more appealing sites by using these Free online Color and theme tools

This website also has previews and screenshots of drupal themes. you can also see Live demos.

All of the themes for Drupal 4.7 and Drupal 5.0 are showcased here.

This website has some great stuff for Druapliers. It has some cool tips and tricks, drupal site building resources and much more. You will love this site if you are a beginner to drupal.

Find Drupal Developers and Paid work.

Drupal Themes preview on live Drupal engine.
For both Drupal 4.7.x and Drupal 5.x

Customize your drupal Forum to look like phpBB forums. This site also has good articles and its advisable to check for updates

You will find the Preview or first few pages of all the chapters here. Its a great book to have for a Drupal developer. Now you can check out sample chapters and decide for your self

Filled with Drupal goodies , pdf handbooks and loads of stuff for beginners and intermidate drupal developers..Drupal help, Drupal forum, Drupal modules, Drupal themes, pre and post installation issues and Drupal Pdf downloadable Handbooks.

This website has good collection of Free drupal themes. Almost all the themes are available on drupal.org too. You can check out the collection here too.

My recently updated blog with drupal themeing and module development tips.