First Shot
The key to obtaining the three star mastery is to kill all the pigs with two shots. Launch the first bird towards the location shown in the picture.

Power Activation Point
Activate your jedi power to push the blocks to the right. The goal is to have the wind blower blow on all the building blocks to destroy the floating platforms.

First Shot Result
This shot should be kill most of the pigs and leave out a few survivors. Your goal is to only leave enough survivors so that you next shot can pick them up.

Second Shot
Launch towards any of the pigs still left alive from your first shot.

Second Power Activation Point
Blast your laser gun however you see fit.

Second Shot Result
You should be able to obtain the three star rating once you kill all of the pigs.