Since the first 8 episodes, up to Birdday Party, 3 new Golden Eggs have been added!
Pictures found at http://angrybirdsnest.com
Golden Egg #30
To get, obtain 3 stars in the first 15 levels of Red’s Mighty Feathers.
Golden Egg #31
To get, go to Short Fuse 26-15 and use the Yellow Bird and Bomb anywhere. Then use the Boomerang Bird to get the orange things hidden under the slingshot.
King Pig Level
To obtain, obtain 3 stars on all levels up to Birdday Party.