“Hey folks! The topic for this speed painting is “Great cracks split the earth as the ground shook beneath them”. I will be using Adobe Photoshop CS3 exclusively for this tutorial. I’m going to start by roughing out my basic composition and ideas. I usually need to start with some sort of preliminary drawing otherwise my piece ends in disaster!”
http://www.3dtotal.com/team/Tutorials_3/cracking_earth/cracking_earth_01.php