I've got this down to 150x132 stitches and am not entirely happy with it (especially the ground) but can't do much better.
insomnia = making patterns
ETA:
jelibe, I'm so sorry, I just saw that you said you're working on it. I'd love to see your pattern when you're done!
Here's a picture (resized for easy forum viewing)
The pattern (warning: quite large!) is available
here.
Colors:
0 DMC 945 tawny - md
1 DMC 300 mahogany - vy dk
2 DMC 920 copper - md
3 DMC 3829 old gold - vy dk
4 DMC 5200 snow white
5 DMC 919 red copper
6 DMC 906 parrot green - md
7 DMC 741 tangerine - md
8 DMC 702 kelly green
9 DMC 310 black
_ DMC 996 electric blue - md