Paul and what you used for Angular map? it is total wrong to do this that why you get it this way, for what I upload the all informations? and as always you without to try it really out and stay close to the parameters know better, if this everything I say is boll, then the rest of the HDRI too. We speak about ration and numbers, and you put white spots on image and waiting for wonder. You total don't understand the work of the poser6 LightProbe if you show this way a preview. and yes the other light source are produced from the Image light, beause I used a real latitude image and converted it in correct way to use as Lightprobe what is used in Poser6.
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"Surrender to what it is - Let go of what was - Have faith in what will be "