I have never done a critique before, so I apologize in advance if this isn't a very good one, hehe.
For the photo itself, the lighting is very good and there aren't any weird shadows or highlights and it is very good quality. Just by glancing at this photo, anyone who likes to do fantasy art would likely be inspired. The setting is perfect, the hair and make-up and touch of body paint is really fitting with the dryad theme, and even your facial expression is very serene and goes beautifully with the whole scene. While there are many stock photos of nymph/fariy/etc here on DA, this is one still manages to maintain some originality which can be hard to I really can't think of anything bad to say about it, it is a very unique and beautiful shot that, in my opinion, excellently shows its theme.