Angry Birds

Golden Banana #1
In level 3-2 use the yellow bird to break the brown wooden box with the white label passed the trees.

Golden Banana #2
In level 3-3 use the yellow bird to shoot over the arch and into the leaves at the tree in the top right hand corner.

Golden Banana #3
In level 3-7 use the yellow bird to hit the white label in the bushes in the top right hand corner.

Golden Banana #4
In level 3-9 shoot birds straight down into the first tree.

Golden Banana #5
In level 3-12 break the brown wooden box with the white label

Golden Banana #6
In level 3-13 zoom out and shoot the yellow bird up to break the brown wooden box with the white label.

Golden Banana #7
In level 3-14 zoom out and shoot the yellow bird over the trees into the banana in bottom right hand corner.

Golden Banana #8
In level 3-15 use the yellow bird to hit the banana in the bushes at the top of the 'steps' in the top right hand corner.

Golden Banana #9
In level 4-2 use the yellow bird to shoot over the trees into the small dip on the far right hand side.

Golden Banana #10
In level 4-4 shoot a bird backwards and down so it bounces off a hidden wall into the banana.

Golden Banana #11
In level 4-5 shoot a bird with almost no power so it hits the bushes just below the slingshot.

Golden Banana #12
In level 4-8 shoot the white bird backwards and drop an egg in the bushes.

Golden Banana #13
In level 4-11 break the tree on the right hand side so it falls into the bushes.

Golden Banana #14
In level 4-14 zoom out and use the yellow bird to break the brown wooden box with the white label in the top right hand corner.

Golden Banana #15
In level 4-15 use anything you can to hit the bushes in the bottom left hand corner (try hitting the rocks a few times).

source:
http://www.angrybirdsblog.com