IF YOU CLICK ON DOWNLOAD YOU GET THE FULL, LEGIBLE ORIGINAL SIZE
original deviation ---> [link]
ok, this is a walkthrough, so it's not so detailed and doesn't explain everything.
for further analysis on some method I talked about I suggest to see those tutorials: for the overall process of painting
's [link] for an in depth analysis of usage of photoshop brushes for digital painting
's [link] for clouds
's [link] for the fabric pattern
's [link] for the quickmask selection
's [link] for masks (different from quickmask)
's [link] for final gradient map touches
I use photoshop cs3, but everything it's absolutely identical even in 7.0.