I can't get past this level in Angry Birds. All I get is one black exploding bird and two white bomber birds:
I can use the black bomber to kill the left two pigs, but after that there's such a big pile of concrete on top of the other pigs that nothing I try gets through.
Best Answer
Here's a video walkthrough of 3-11 through 3-15:
http://www.rovio.com/index.php?page=angry-birds-walkthrough-videos#3_11_15
direct link to just that video