This is a beautiful piece with great movement! If I could make one suggestion.... The front swan on the left...his head and beak line up exactly with her arm. This makes it look like she is wearing an armlet ornament, when it is really the swan's beak. It sort of flattens out that area of the image and disrupts the illusion of distance that is working perfectly in the rest of the image. If you move the swan's head just a little bit to the right or the left, the head and beak would no longer line up with her arm, and the sense of distance would be restored. Otherwise, another brilliant image!
There are several faerytales with swans (usually 7), but the books in your image brought that up immediately.
Just love the different movements and the splashes, plus the matery of light and shadow. Bravo.