Thank you all for giving me such amazing options.

However, it gives rise to another query and Josh this is for you specifically because it was your answer that set me thinking about it. The others are welcome as well since the more thinking caps the better it gets.

So the question is, do portraits appear of there own accord or there is some specific cause? The Hogwarts portraits may be enchanted that way but the others are not I suppose. For example, Sirius's great,great grandfather Phinius & his mother had their own portraits in the Black Mansion but after his(Sirius's) demise no such portrait appeared in the Black ancestral home ?
