Launch the bird with a high angle shown in the picture.
Power Activation Point
Activate the laser power at the top of flight. You want to break the ice so that all the pigs on the right side are dead.
First Shot Result
The pigs on the right side are dead, leaving only 2~3 on the left.
Aim for the metal pieces shown in the picture.
Second Power Activation Point
Activate the power shortly after you crash into the metal, this will help to push the blocks further and deal more damage.
Second Shot Result
The rest of the pigs are killed and leaving you with the awesome three star mastery rating.