I am not interested in teen girls (or boys, for that matter), and I find the continued spamming of special interest adult groups by posters of photos labelled "hot teen action", or "sexy teens" to be offensive.  Teen are not adults.  Sexual interaction with teens by adults is ILLEGAL, and the spammers must know that.  I can only conclude therefore that the posting of illegal photos on adult groups that have nothing to do with teens is either a deliberate attempt to either get the group cancelled for having kiddie porn OR WORSE, sneak illegal photos into the computer caches of group member so that when investigated authorities will say they found illegal child porn on their computer.  Think about it.

 It is up to group managers to delete illegal photos and those who post them from groups if they want the groups to survive.