Some of them are probably not strictly accurate:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Others are more so:
12.
13.
14.
15.
16.
17.
Some are oddly promotional:
18.
I think this one refers to the Toronto Maple Leafs, but I prefer to compare Justin Bieber to fall foliage:
19.
It is his mom's birthday, after all:
20.
Some tweeters lamented the limitations of the form:
21.
Others simply embraced them: