Sorry, I did not notice you had already tried the probe light. I had read the tread a tad to fast.

I had the impression, the probe light node was introduced in SR3, but I may be wrong.

It is more than a little bit frustrating that CL did not include a program to create the values or this node from a light probe file. On of these days I have to install a C compiler on my machine to compile the program from the web-site Stewer posted.

I think to get results near that Dash posted (but I suspect there is some true radiosity in this picture, no way to do that in Poser at the moment), we need light probe values derived from the same file than the reflection map used as background of the reflection node. Dont know if there is a way to convert a light probe file to a reflection map that poser can use. And you have to mix in some diffuse lighting from an normal light to get some shadows.

Dont have the time to experiment at the moment, but I would try the following as a start:
On Infinite light.
Diffuse strength about 40%.
A probe light node in alternate diffuse with saturation around 0.3-0.8 (depending on the strength of the effect you want). Experiment for the exposure setting. The other values have to be derived from a light probe file that represents the represent the same environment used as reflection map.
A reflection node with a reflection map as background that matches the light probe.

I wonder if it is possible to set up a scene as environment and than render a file that can be used as reflection map and converted to light probe values.

Stefan