Try putting the image away for a few days and see how it feels to your eyes.
I like this. At first glance I thought it was a water scene. It's a pity the shadow breaks the line of the web near the first branch. I might try to clone piece in there.
Yes, I think it does need a bit more space at the top.
For, me, that very out of focus right hand twig just adds confusion and distraction.