I have been experimenting with 2-pass radiosity and I can't get my image
clean. I get alot of artifacts. Why?

Here is final image:
http://img100.imageshack.us/img100/4084/2pass01ru2.jpg

Here is 1st pass radiosity parameters (rendering resolution 64x48, no AA):
      pretrace_start 0.08
      pretrace_end   0.01
      count 400
      nearest_count 20
      error_bound 0.3
      recursion_limit 3
      low_error_factor 0.2
      gray_threshold 0
      minimum_reuse 0.015
      brightness 1.0
      adc_bailout 0.01/2

Here is 2st pass radiosity parameters (rendering resolution 640x480, with
AA):
      pretrace_start 1 // default 0.08
      pretrace_end   1 // default 0.01
      error_bound 0.8
      recursion_limit 3 // default 2
      always_sample off

And yes, I save/load radiosity file :)

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