How do I get money

Hint 1 of 9:

Look around the island, using the overhead map.

Hint 2 of 9:

Notice those glowing lights?

Hint 3 of 9:

Circuses can always be fun.

Hint 4 of 9:

Talk with the Fettucini brothers for a little while.

Hint 5 of 9:

They will pay you large sums of money, if you're willing to help them.

Hint 6 of 9:

Now you need a helmet.  You may have to improvise.

Hint 7 of 9:

Have you been in the kitchen in the bar?

Hint 8 of 9:

That pot could probably be used as a helmet.

Hint 9 of 9:

Volunteer to get in the cannon and use the pot as a helmet.