I have a real issue with this.
Love2bake, I do understand the question, I just don't agree that it is a problem and may embark on a 'this is what's wrong with the world' rant.
Pictures of children are not sexual images, even nude ones (unless you work in Asda) so why do we now act as if they are, assuming that every toddler is legitimate bait to some sicko or pervert. By doing this we are legitimising their perversions as something understandable.
In terms of paedophiles (which I realise I can't even spell), if some bastard wants to knock one out over a nativity play I'm not sure I would be happy if my child were the shepherd in question, but I don't see why the danger of that is real enough to prevent 99.9% of the population taking a healthy and loving interest in children, even other peoples.
Yes I'm sure people can, if they try hard enough, hack into your account, download your photos, photoshop them etc but this is illegal and they should be caught and severely punished.
I, in the meantime, should be able to share pictures of my children and their friends without being reprimanded for invasion of privacy or not getting the right forms signed.
Protect your children, by all means, but get some perspective people.