I ran about 5 washes, starting with red and each run using a more controlled wash and less paint, and a few hues lighter towards orange/yellow. Went back in with my super fine brush and gave some orange and yellow highlights to some areas to give his inner workings a firey glowing effect.
Full photostream can be seen here:
http://www.flickr.com/photos/accardi1/s ... 250705856/
as well as my website (click the banner and win)