I was unable to get all the links to various work. I searched the group and early posts to see as many as possible.
If you are an owner of a pokemon and want a link , merely comment with the U.R.L. to your work and I will add it.
The official post
https://www.deviantart.com/charityguildmaster/art/Rainforest-Charity-Collab-115-CLOSED-979751392
I used https://www.image-map.net/