Near the drifblim stop go near the pillars and you'll see a pink thing
The first is in ostown on the left of the gag factory. Thin all of the wall. The second is behind the right side of Clarabellas house. Again, thin the wall. The third is on Mean Street. Thin the tree...
A bouquet is a group of flowers and greens - if it's not a single flower, it's a bouquet.
No
Behind the drifblim stop.