Lena from Beautiful Creatures. The light version. Hope you like.
Model photo provided by the Beautiful Creatures contest: ~[link]
Smoke (or cloud brushes) by JavierZhX. Here's the link to brushes: ~[link]
Trees brushes by redheadstock. Here's the link to brushes: ~[link]
Forest background free from Dreamstime.com. Link to website: ~[link]