I'm sorry...I don't think I can answer any of your questions. It would be best to speak to ECE and NABP. The requirements for ECE's evaluation are country specific and I graduated from Canada.
1)But I'm pretty sure they don't need the photos stamped. But again ask them.
2) Again, country specific I think. You will have to contact ECE. Because even NABP said you only needed two copies but ECE said 3...so there is a bit of a confusion there. I sent 3, better more than less. (and it wouldnt be a photocopy..it has to be sealed or whatever)
3) I did everything from one school so can't say.
4) Again, country specific..ask ECE
5) I would add it in..it is pharmacy-related. But again, ask NABP. I don't have a post-grad so I didnt even pay attention to the question...does it only ask for clinical pharmacy degrees? I don't think so..
I would contact ECE and NABP directly for any application and evaluation questions. I called them a million times while I was working on my application and they are helpful.