As I recall, I grouped together the 2 compound nodes to clean up the workspace and arrange the nodes better.  I used the Cycles image texture nodes but the regular Poser nodes work fine, I strictly kept it as a Cycles arrangement.  

Below is the node arrangement for the 1st compound node called 'Compound'.  It's basically a 'container' for all the MixClosure nodes connected directly to the CyclesSurface node.  I manually renamed many of the connectors for identification purposes.  

The 2nd compound node is called 'Anisotropic/Tangent', a container node for the AnisotropicBsdf and Tangent nodes and all their connections.  Again, I used the same terminology to identify each connector for easier access.