When you are attacking the hammer bros, use fire. It kills them a lot faster and you take hardly any damage. Absorb some if you don't have enough gauge. For the general, wait till he's above or next to you before using fire.

On hoo's wood there are two pipes that are in the ground to access them go down the pipe at the end of the level and cry on a blue water wheel with a face on it.it will then say a loud noise came from somewhere then go back through the other pipe and get those toads.

First beat big boo.
Then go back and do the mini gane.
Now get as much coins as you can then leave and do it again until you have the amount you need.

How do you get the umbrella