Soft and harmonious- quite pleasant image. Very different from the other images in your gallery which have strong colors and contrasts and dramatic compositional motion.
So what did you end up using for the bubbles' material?
Thanks for posting the result - always nice to see where the suggestions led.

"I paint that which comes from the imagination or from dreams, or from an unconscious drive. I photograph the things that I do not wish to paint, the things which already have an existence."
Man Ray, modernist painter
http://artpearl.redbubble.com/