I made an update to it, I left out some stuff.
1st level
1 the birds
2 One of the trees branches
3 The C of differences
4 Top of the highest building
5 The Trees shadow
6 The man
7 One of the sidewalk tiles
2nd level
1 The guy with the number on his back - on his sandle
2 The green paint
3 The red and orange paint
4 The man in the brown
5 The farthest right building
6 The sidewalk
3rd level
1 The robots right hand
2 The robots glasses
3 *The Grass* on the sign
4 The highest cloud
5 The tree down from the highest cloud
4th level
1 The dot between *Park Area*
2 Click on *Be a patient, better driver*
3 Click on *No more microwaved dinners and saturated Fats*
4 Click on *No killing moths or putting boiling water on ants*
5 Click on *No bad dreams*
6 Click on *Trash bins for park uses only*
7 Click on *Pets must be kept on a leash*
8 Click on *Become fitter, happier, and more productive*
5th level
1 The dark gray pebble to the bottom left
2 The sixth plant from left to right on the bottom
3 Click on the dark gray rock left of the forth plant
4 The briges' shadow
5 The small dark gray rock in the shadows in the top.
6 The grass at the left bottom of the bridge
7 The Button thing on top of the sign
8 One of the hole-looking things on the tiles of the bridge
6th level
1 The sign near the stairs
2 The tree on the top left
3 The thin tree directly top-forward
4 The very top left trees' top
5 The man playing the guitar's shadow
6 The guy with the light
7th level
1 The cloud to the top left
2 One of the ropes holders (at the bottom of the rope)
3 Top of one of the buildings (not the reflection)
4 The PM sign
5 The bottom of the heart (the darkest part)
6 The bolt next to the one the guy is hanging from
8th level
1 The benches shadow
2 The wire near the bottom of the tree
3 The smallest cloud
4 One of the sidewalk tiles line that divides the squares
5 The top of the building all the way to the top left
6 The lowest branch on the second big branch going up
7 The thing hanging down from the second big branch going up
9th level
1 The guy hitchings shadow, the one on the ground
2 The elevators shine
3 The Left girl in the shop
4 The bottom of the door
5 One of the buildings at the top
6 The *Souls* under the *GOT DIAMONDS?* sign
10th level
1 The girls umbrella
2 The girls sock
3 The window in the middle.
4 The gutter
5 The doornob
6 The top of the door
11th level
1 The left set of bricks on the wall
2 The low set of birds
3 The top set of birds
4 The Rails that keep the sign up
5 The *Or don't*
6 The midde of the seat belt
12th level
1 The line next to the numbers
2 The brick by the guys feet
3 The mans shadow
4 The set of 4 bricks to the right of the man
5 The brick that's the opposite color of the other, look at the middle of the man, then move right
6 The man with the signs shadow
13th level
1 The bricks under the window seal
2 The brick left of the TV
3 The brick to the top right
4 The pair of bricks at the bottom
5 The mans shoe
6 The buttons on the TV
7 The left wall
14th level
1 The shadow at the top of the light
2 The guitars, uh, 3 brackets? not real sure what they are called
3 the bricks at the bottom ofthe window seal
4 The top left brick
5 The bottom right brick
15th level
1 The dark tree
2 The Soon on *come back soon*
3 The brightest star, near the middle right
4 a little bright star, some-what near the star
5 One of the lines on the road
That's all :)