Here's the list i made which is very useful for creative people who want to learn and promote their work.

https://www.facebook.com/groups/World.Talented.Artist.Gallery/?ref=br_rs
https://www.facebook.com/groups/585628358131790/
https://www.facebook.com/groups/1399923050261397
https://www.facebook.com/groups/266194426913952
https://www.facebook.com/groups/learningoilpainting
https://www.facebook.com/groups/214774848697200
https://www.facebook.com/groups/graphicdesignerjobs
https://www.facebook.com/groups/G.Designs
https://www.facebook.com/groups/6215481930
https://www.facebook.com/groups/205756059526207
https://www.facebook.com/groups/371607903042124/?ref=br_rs
https://www.facebook.com/groups/29510914592
https://www.facebook.com/groups/graphicdesignersarehotterthanarchitects
https://www.facebook.com/groups/bloggersworld1/?ref=br_rs
https://www.facebook.com/groups/graphicdesignertips/?ref=br_rs
https://www.facebook.com/groups/supportingbloggers/?ref=br_rs
https://www.facebook.com/groups/214774848697200
https://www.facebook.com/groups/G.Designs
https://www.facebook.com/groups/6215481930
https://www.facebook.com/groups/29510914592

Here is My group for motivated artist : https://www.facebook.com/groups/motivatedartist/