This is not how I wanted to finish this...

Well, I couldn't find a way to improve this any further. Anything I do so far doesn't turn out what I intended. Either color-wise or texture-wise. I would give this up and put the final touches on then call it "done".
This is disappointment but the reality of my skills. I need to move on for now. I hope I would be able to look back and say "Aha! I couldn't have done that way." after learning/developing my way of painting landscape like this in the near future.