The judges were very impressed (and enjoyed) the entries for 2021. After a lot of thought, and it was quite close, the winning entries are (click on any image to see a larger version):

Adults - Entry 1

Adults - Entry 2

Adults - Entry 3

Adults - Entry 4

Adults - Entry 5

Adults - Entry 6

Adults - Entry 7

Adults - Entry 8

Adults - Entry 9

Adults - Entry 10

Adults - Entry 11

Adults - Entry 12

Adults - Entry 13