I like this alot it looks really cool.... The water does look a little like silver or some sort of metal... I think if i was voting in the challenge i would of giving this a 8.
I like the idea behind this shot very much. The ripples in the water add a nice texture. The lighting (flash, maybe?) creates a shadow of the drop which detracts from the overall flow of the picture. Good job getting the motion on the water surface and the drop falling!
I like water shots, but this one could do with some better lighting. It would also work better if the blue cup was integral to the shot and not just to the side. I'd also like to see the water drop closer to the water.