Warlokk made three Teen Bottom Seperates Meshes for each side. Included in this set are all the Maxis textures for those meshes. I also added in all the one Warlokk already did, except resorted so that they sort nicely with mine. You will need to unzip Warlokk's bottom seperates starter sets before unziping these if you want them to be sorted correctly (overwrite his when it asks).
You can find his bottom seperates
here. Obviously, you need the meshes from there.
All styles are available for all sizes.