All right! Got it lol

yeah that looks like silverside, it's ok, but not as a main diet. As a treat, absolutely, as a main diet, no.

With the frogs the variety is a key, if a frog eats defrosted fish, he sure won't have a problems with earthworms or anything else you put in your tongs

albino care is the same, except you need to avoid UvB and any bright light.

humidity - you need to cover fully or partially your screen top, it would help. If you are covering fully, you need to cut a hole a bit bigger then diameter of your lamp for it. I usually use tin foil for it.