As for males i like the afro from those:
http://na.lvlt.sims3store.cdn.ea.com/u/f/sims/sims3/sims3store/Categories/landing/hair_34.jpg
http://na.lvlt.sims3store.cdn.ea.com/u/f/sims/sims3/sims3store/skins/amHairSTORE17CarWild/Thumbnail_300x300.png
From those i like left down long black hair, right up brown and first asian guy is pretty cool too and the buzzcut with glasses would find a use too:
http://na.lvlt.sims3store.cdn.ea.com/u/f/sims/sims3/sims3store/skins/BohoVintage2Set/Thumbnail_688x336_ADD1.jpg
http://na.lvlt.sims3store.cdn.ea.com/u/f/sims/sims3/sims3store/skins/BohoVintage2Set/Thumbnail_688x336.jpg
http://na.lvlt.sims3store.cdn.ea.com/u/f/sims/sims3/sims3store/skins/amHairHatSTORE13BhSunglass/Thumbnail_300x300.png
