Send the first Luke just a little above the small planet, sending him around the bottom of the large planet and detonate the TNT. Send the rebel bird skip the first planet and send them into the south side of the second planet into the glass structure. Use Luke to clean up the leftovers.
Send Luke below the small planet and use the lightsaber when impact that cause to kill some pigs. Send rebel bird in the same angle to pop some pigs and detonate the TNT. Use the next bird to finish the level.
See Video Walkthrough.