Just a little thing, a side effect of experimenting with negative strength  
blob components for the air bubble icicles. It is wrong. I left the  
glows/lightsources out of the scaling, so they aren't in the right place.  
I have one rendering which have them in the proper place.

Most puzzling though is the color of the object. I didn't make it in any  
way *that* color blue.

It is:

   color_map {
    [0.00 rgbt <0.98,0.97,0.96,filterVal+0.1>]
    [0.03 rgbt <0.91,0.97,0.93,filterVal+0.1>]
    [0.40 rgbt <0.91,0.97,0.93,filterVal+0.1>]
    [0.40 rgbt <0.91,0.94,0.94,filterVal+0.1>]
    [0.42 rgbt <0.91,0.97,0.93,filterVal+0.1>]
    [1.00 rgbt <0.91,0.97,0.93,filterVal+0.1>]
   }

It only seems to behave that way in the presence of the  
glows/lightsources....which again are not *that* color blue. Some  
graininess in the reflections in places. Boooooo!

The whole thing, save the glows and lightsources, is a single blob object  
constructed with loops.

Ian

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