I'd tried to generate some interest in this at zabaware some time ago, I also last worked on this some time ago but will try to give you accurate info. I have Hal located on the d drive so my paths are useless to anyone else. My Haptek files are on the C drive like the majority. You must make copies of the uncompressed files. To do this open a Htr, it will generate a series of files. After opening a Haptek htr go to Program files, Haptek, player, hap temp and copy all of the files and put them in another folder.
Basicly I've copied the heading from body_femaleStsrtup.hap which you can open with notepad or wordpad. The next line in the New.htr loads body_female.htr,and line 2 loads Newstart.hap which changes the characters skin. All of the uncompressed files can be opened, and the majority can be easily understood, its just a matter of switchng to uncompressed files that can be modified.
Carl2