It's colored now! ^^ I used a Dark Stroke effect on it since it came out kinda bright. I really like how the grass brushes look with that effect! ^-^
Credit for the brushes used in this pic:
Grass brushes: http://archeleron.deviantart.com/
Cloud brushes: http://javierzhx.deviantart.com/
Moon brushes: http://barbiedoll.deviantart.com/