I can clone you one of my dittos and that's what I was breeding arcanine with, but wasn't look at the ability as you said female and they are only 25% chance of getting females, I have gotten all males til just now but it wasn't right nature, but if you perfer a ditto I can go catch you one now??
I'm playing diamond, Buck is the one that walks behind you in stark mt. and healls your pokes after battles and no I don't have the stone, Buck has to take it back to his house and then when you talk to the old man in his house he returns the stone to the mt. but Buck is not inside the mt.