okay, the bubbles are here; http://www.renderosity.com/viewed.ez?galleryid=956395&Start=1&Sectionid=30&filter_genre_id=0&WhatsNew=Yes the problem is that of clarity, you try to get the bubbles clearer but then lose some realistic effects. actually i was thing of doing this for the comnpetition but bubbles or spheres are a bit contradictory to the physics of sound, unless, of course, we rewrite physics.