In this age of Jack Thompsons, where some people consider skins with nipples and any hint of body hair pr0n, sister sites like ISA and SexySims2 are necessary for anyone who wants a hint of realism in their game.
I've got just about all of jwilson5's stuff and I've been hitting the community genetics section trying to save all the custom skintones I can. But lthe server hasn't been very cooperative for me, either.