5-1 try swinging, keep swinging after all the studs are gone, I think that's how I got it.
7-1 don't kill the fire crab, make it chase you to the ice, it will fire the ice away.
8-4 still working on that one.
Thank you for the tips.
I have one more question- Did you have problems in the prophecy room jumping to the upper level to collect a person? I didn't ask because it seemed obvious that I just sucked at jumping to that shelf. Now I am wondering if there is a trick... Like hopping over to get the character in the cave at the very beginning behind the Dark magic doors. Hagrid was the only character I could get to make the jump. I was wondering if it was something like that...I need a specific person to make the jump.