Indirect lighting is a great new feature in Poser 8. It allows us to directly do some things we had to fake before, like global illumination and ambient occlusion.
Keep in mind that AO in Poser is a way to fake occlusion in a render. IDL (Indirect Lighting) does the real thing.
UberEnvironment2 comes with several presets that use different HDR pictures.
In fact, DAZStudio is able to use these pictures if they are converted into tif files.
But Omnifreaker did all for us and provided an utility to convert them for us
Though there are some steps to follow in order to have great results. I will explain them. Some resourceslinks at the end of this tutorial.