How do I get in the castle (solution #2)

Hint 1 of 14:

Watch things for a while.

Hint 2 of 14:

Notice that peasant bringing in a cow?

Hint 3 of 14:

You can do a little acting here.

Hint 4 of 14:

You should be able to get a cow and some peasant's clothes.

Hint 5 of 14:

Switch to Chi.  Put on the peasant clothes.

Hint 6 of 14:

Now, click the cow on the gate and you can enter.

Hint 7 of 14:

Don't forget to bring Lucky in with you.

Hint 8 of 14:

He'll have to climb in, since he doesn't have a cow.

Hint 9 of 14:

Do you have anything that will help him to climb the wall?