UV/Bumpmapping infos?!

hey guys,

i've found a cool nude mod today. looks good.
i've also understood the packing/unpacking texture stuff.

but i was wondering where the bumbmap information is.
cause, ingame you can see the nipples stickin out and well,
also the shapes of her 'lips' or more, her slit if you want to
be precise but not too nasty :)

so, if i'd want to start a fresh new texture mod, what infos about
bumpmapping do i need?

p.s: the mod is from BlackFireBR
 
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