No, the Strideribellum M4 pack is for M4 genital.

I have understand what you mean, i have loaded the freack 4 skin and the short are invisible, that's ok.

The trouble is that the penis haven't the same skin...

Poser Pro 2014 SR 1 on Windows 7 64 bit
I use IDL, Gamma Correction and EZSkin for all final renders.