QID medical requirements?

Going for my medical soon for my QID, will be going to the medical commission.

My question is what do I need to take with? I have my passport, the visa I entered the country with, copy of my passport and I have passport size photos but with a white background.

I’ve heard that it has to be blue background? Or do they take the actual photo there? If not where can I get passport size pictures done with the correct background