Customizing Your WordPress Theme Using Firebug and Basic CSS
Building a Website The Easy Way With Wordpress
GDI WordPress 3 January 2012 (white background)
Creating a Child Theme in WordPress
Under the hood of WordPress
WCLV - Introduction to child themes
Intro to WordPress Child Themes
Wordcamp 2013 Louisville - Child Themes
Child Theming: An Introduction to Wordpress Theme Development with Wordpress Child Themes
How to Choose a WordPress Theme
Creating custom child themes for WordPress
Customize your Wordpress site