Distributing nudes being underage is the same as adults doing the same thing. even if its your own. These photos are not controlled and often get sold without the users knowledge. They just should not being doing it. If other predator behaviour is not there, they shouldnt be registered, or be jailed.
Just restricted access to internet. fine. misdomenor . that way if they stay good, it can be re4moved and wont ruin their life.