Looking for guidance

[Matt C]

Heya guys, I'm most of the way done with this, but i feel a bit stuck, and I'm not sure what it is. Plus I have no idea how to render the damned leaves correctly... (amongst other problems that are littered in the piece)
Any help is appreciated!
EDIT: can't get the image to show, so here's an Imgur link: http://i.imgur.com/Fg9UWT9.jpg
(sorry about that)