Oooh, I tried following along digitally last year because I'm too broke to buy actual painting supplies. I have to admit that it's not easy digitally because you don't have tools like that spatula thing. You also can't beat the devil out of your brushes which is quite dissapointing. That being said I think it's the best landscape I have ever produced and the techniques definitely work even if you suck at visual art like I do.
Here's the result of my endeavors for you to laugh at.
I found that the biggest problem with digital painting (at least from what I tried) is that you don't get the benefits of an 'wet canvas' to drag the paint, make it naturally brighter as you use what's on your paintbrush, and mix different tones - you can do all that through opacity, of course, and it still worked pretty well for me, but then it's a lot more about knowing the different shades of the same colors and focusing on blending.
There are a couple of preset brushes as well that can be tweaked to simulate pressure and scatter through the tablet sensitivity, and while I definitely only scraped the surface of what you can do, it was already a really good learning experience.
I do want to try it out with actual painting supplies and a canvas down the road and actually try the techniques instead of finding workarounds, though. Yours looks pretty good, though! The outlines in the back and the trees give the piece its own identity, and the bushes and little trees up front look super neat as well.
