Basic (and not so basic) Official Resources

• Word Press Codex
• WordPress Support Forums

Theme Basics

• Using Themes
• Develop Themes Behind the Scenes

Theme Tutorials

• How to Create a WordPress Theme: The Ultimate WordPress Theme Tutorial
• How to Create WordPress Themes from Scratch
• So You Want to Create a WordPress Theme, huh?
• Complete WordPress Theme Guide
• Designing for WordPress: Complete Series and Downloads

Hacks and Tweeks

• 15 Killer Hacks for WordPress that Are Extremely Useful
• Collection of WordPress Hacks

Theme Frameworks

• Carrington Theme
• Thematic
• Theme Hybrid
• WP Framework

Tips and Solving Problems

• 9 Common WordPress Problems and How to Solve Theme

Very Useful CSS and (X)HTML Resources

• 216 Web Safe Color Chart hexidecimal and rgb
• Code Snippets from CSS Tricks
• Safe Color Codes Hexadecimal
• Symbols
• W3Schools Online Web Tutorials

Additional Attributions and Credits

The patterns and images used in the layout are my own and were created with Photoshop. Credits for specific posts will be credited on that post.