Yes, mathman, they work for all the figures. If you had followed the link you would have found that out without my having to repeat it here. The downloads come with complete instructions that even a relative newbie can handle ;-) all you need to know is how to install any standard zip file for Poser and how to read the enclosed readme.txt file. Ambient value is a material parameter like many others that describe how the Poser object gets textured and shaded during a render. There are many good tutorials available here on MATERIALS and material settings in Poser. In this particular thread, we are discussing the materials in Poser 5 which are quite different from those in Poser 4, so it depends on which version of Poser you are using as to whether or not it applies to you. Don't be afraid to ask questions, as there are many helpful people around here, but please do a little legwork on your own before you ask a question which has an easily available answer already there.