David & the Goliath

My drawing for The Bible Stories contest, basically the challenge was to take a story from the Bible, and give it a modern interpretation. My take on David facing the Goliath! (with a few changes here and there..^^;)
Wow this one took a while to make. This is not my usual style or my work method, I decided to try something new.. I've changed so many things in the process, you can just watch hehe.

First sketch:

2nd try:

(sort of) Final sketch:

Basic colors:

More detail, composition change:

Detail and another composition change before the final one: