I didn't get enough of a chance to vote on bubbles for mine to count (stupid dial-up), I would have scored this as a 7 (actually I think I did). The bright yellow on the upper right (a sign?) is a little distracting. This shot would be incredible with perhaps a row of street signs being reflected in the bubble.
This is a very interesting bubble, really draws the voter into the image. I think you placed very well because you defiantly completed the subject in a wonderful matter. I am extremely glad you used a black background for the shot. I really do like the placement of the bubble and I am glad you did not crop the image just to fit the bubble, I think it really would have altered the image. I, personally unlike some voters love the drip on the bottom. The drip has to be there, it wouldn't be able to be a bubble with out it. I think it would be physical impossible to have a bubble, unless it was fake with out liquid formed on the heavy side. This is an excellent capture, especially for tricky subject that moves and can often times be blurred in the shot. The reflections of the colors are beautiful, there is no trace of a photographer in the reflection or any surrounding objects. Great job!