1 Alex slim skin have asymmetrical textures on hands (bottom part)
2 The copied Alex slim skin has a bug on hands (You've probably already been know this)
3 Steve slim skin doesn't have a copy, instead, a classic appears
4 Alex's head doesn't have hairs on back-bottom part on classic skin
5 Slim Alex doesn't have overlay hair on chest and back
6 Slim Alex textures of the left-hand overlay aren't finished
7 Steve skin has contradictions on head textures (bottom)
8 Steve skin have wrong textures his t-shirt on torso textures (Very bright color compared to the rest of the contrast (up))

All the best, BALEHTANH He/Him

P.S. Sorry for my bad english