France, normally PRPC would send the unaltered file to Poser; but it has the option of processing it before sending it on its journey. This is done by additional Python scripts which need to be loaded when Poser starts.

They have to be specially written to "hook" into PRPC. These are the ones that are available at present (quoted from tromnek's post):

*Pose Filter
Filter incomming pose files to apply only translation and rotation to selected figure body parts (partial pose files on-the-fly).

Conform To
Automatically conforms a newly loaded figure (clothes, ...) to a pre-selected figure.

Delete Lights
When a incomming light file is loaded, it will delete all the current lights in the scene before loading the new light file.

Thumb To File
Helper module for windows explorer so that when you send a thumbnail (.png or .rsr), the real poser content file (cr2, lt2, ...) will load.*