hi everyone i need help real bad it is to find a couple of things on ff7 if any one can help me with them i will put them into a list:

* where do you get cait siths level 4 limit break

*yuffies final weapon

*what do you do with the large materia when you have them all at cosmo canyon

*were do you get flare and freeze materia
and finally
*where is the best place to train for AP

if you can help me with these's i would be so greatful thanks

yours truly
luke