Tutorials and I generally don't mix, but I thought I'd try some of the ideas shown in http://norisus.tumblr.com/post/72136860007/for-best-results-i-recommend-using-the-sai-marker What do you think?
It's awesome! I love the background. I can also see that you're doing the shading differently, but I'm not sure how... it looks like it has more depth to it, especially on his feet.