Here is what I have so far with the skin shader I'm trying to do... not much :(

maurice.raybaud.eu/images/stories/FastSSSradFlicker.avi

I used FastSSS2 macro to get render times below 6 minutes per frame (I was
aiming for below 3 But it's still faster than true SSS.
The problem is I had to use radiosity So now I wonder if the flickering I get on
the backlit side is because of fastprox or because of radiosity.
Here are my settings,

- for FastSSS:


#declare thisSSS=
pigment{pigment_pattern{fastSSS2(OBSuz,lpos,min_extent(OBSuz)-0.5,max_extent(OBSuz)+0.5,<1,1,1>*24,2,11)
cubic_wave}}

texture{
 pigment_pattern{thisSSS}
 texture_map{
  [0
  pigment{rgb <0.73, 0.25, 0.145>}
  finish{
   diffuse 0.8, 0.7
   ambient 0
   //phong 0.35
   //phong_size 1
   brilliance 4
   specular 0.1
  }
  ]
  [1
  pigment{rgb<0.83, 0.45, 0.225>}
  finish{
   diffuse 0.8, 0.5
   ambient 0.2
   //phong 0.35
   //phong_size 1
   brilliance 4
   specular 0.2
  }
  ]
 }
}



- And the parameters for radiosity:
      pretrace_start 0.08
      pretrace_end   0.08
      count 22
      nearest_count 8
      error_bound 2
      recursion_limit 1
      low_error_factor 0.3
      gray_threshold 0
      minimum_reuse 0.05
      brightness 1.0
      adc_bailout 0.01/2
 always_sample off

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