There are several tutorials on how to make your veins poser models, however ¿what if you want to have colored those veins?, There is a bit more complicated matter.

A while ago I bought a PSD to create my own veins for my warriors but when asked how my incorporate the veins to my models the vendors replied that I was to investigate for myself .

Ok I Investigate and will explain not only how to incorporate colored veins ,also make a beautiful veins color from some maps of veins (which may be already made or you can paint yourself ,  is not necessary spend even one dollar, and this works for ANY Poser model  and in poser 2012/14/16/18

1 part

First of all we create our color maps using our maps bump or displace (black and white maps) there are several tutorials on the web explaining how to create bump or displaces   vein maps  for poser so I skip that part)
To create color maps have to open our veins maps(view attach)