It's a bit busy for my tastes, and focus is off of the glass... You do achieve a nice fantasy-like mood, but I'd like a bit more context and less foreground.
the color is nice but a little too dark otherwise IMO, also try and get your image to 640 pixels and 150 kb. Yours is 550 pixel and 107 kb. If you have PS you can use this tutorial to get your images ready for challenges. :)