RodRSpv:
You should copy, then modify the CustomNode example in the download to do your customized stuff.
djones1010:
Can't run custom plugins without the Dev or Enterprise versions. However, there are Vizard equivalents of the functions you mentioned. The lighting and color stuff are functions of light and node objects. The global changes and node specific rendering functions described in this doc:
http://www.worldviz.com/vizhelp/OpenGL.htm