You probably already have it, but Spice of Life is the must-have misc clothing mod.
For hair and eyes, TheLastTimelord has it right with Mikoto Beauty, it's the best mod for it. For beards, check one of these
If you want a custom race that's lore-friendly, TheFourthHorseman has two you might like
Not many earrings mods but I found a few
Tattoos are even scarcer than earrings and most of the ones I found are NSFW, but here are a few
Dragbody has a neck seam concealer that doubles as jewelry if you want it
Now go out there and be the prettiest damn courier the Mojave has ever seen.