The simple answer is not in any current versions but, Angry birds is working on this, but currently is working on incorporating other characters with the angry birds series such as pokemon, spongebob, fruit ninja, etc. See the related link for one of the angry birds creators original design concepts.
Yes
there is no way to make your own custom Angry Birds level YET
3. Harvest Above. Level 14.
play it
yes
in your bum
Level 9-13 is in "The Big Setup." There are three birds, and all of them are big red birds.
When three stars are achieved on every level of Angry Birds, the player will be awarded with five golden eggs.
By Completeing level 5-12
You beat the level and you can move on to the next level.
its already out there...
2233241
with skill