I am working on a simple image, with a light blue background and a union of
interconnected glass balls and cylinders in the foreground.  It is almost
exactly what I want, but there is one problem.  At almost all of the
connections of the cylinders to the spheres, I am seeing black.

How can I fix this?  By the way, I can not move the camera, nor change the
background much--this image is being used for a web page.

Furthermore, I need to translate this image into a GIF so I can have an
invisible background, so I am using +FN8 in the command line options
(Windows version) which I believe creates a 256 color image which can be
transformed into a GIF without destroying it.  That part, anyhow, seems to
be working.

I am using a glass texture and then a glass-like finish over it simply
because that created the effect I want--I want the glass parts to appear
almost translucent.  This is the background for a web page, so I want it
very subtle.  Mind you, however, I am a newbie with POV-Ray and actually
have no idea what I am doing.  I just put the finish in there and it looked
good, so I left it. :)

Thanks,
Hershel

PS: Here is my code (there is more to it than this, but this is enough to
see the problem):

#include "colors.inc"
#include "glass.inc"

light_source

  <-100, 00, 0>
//  color Blue * Intensity
  color White   shadowless
}

#declare SphiraCamera = camera { location <0,-1.5,-18>
                      look_at <0,-1.5,0>
}

camera {SphiraCamera}

plane { z , 2
      pigment{rgb <.7,1,1>}
      finish {
         diffuse 1
         ambient 1
      }
}

#declare sphira =
   sphere { <0,0,0>,1
}
#declare Width=6;
merge {
   // keter
   object {
      sphira
      translate 6*y
   }
   cylinder {
      <0,6,0>, <-1*Width,4,0>, .2
   }
   cylinder {
      <0,6,0>, <Width,4,0>, .2
   }
   cylinder {
      <0,6,0>, <0,-9,0>, .2
   }
   // bina
   object {
      sphira
      translate <-1*Width,4>
   }
   cylinder {
      <-1*Width,4,0>, <Width,4,0>, .2
   }
   cylinder {
      <-1*Width,4,0>, <Width,1,0>, .2
   }
   cylinder {
      <-1*Width,4,0>, <-1*Width,1,0>, .2
   }
   cylinder {
      <-1*Width,4,0>, <0,-1,0>, .2
   }
   // chochma
   object {
      sphira
      translate <Width,4>
   }
   cylinder {
      <Width,4,0>, <Width,1,0>, .2
   }
   cylinder {
      <Width,4,0>, <-1*Width,1,0>, .2
   }
   cylinder {
      <Width,4,0>, <0,-1,0>, .2
   }

   texture {T_Glass3}
   interior{ I_Glass}
   finish {
      ambient 0.6
      diffuse 0.1
      reflection .2345
      specular 1
      roughness .001
   }
}

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