https://derpibooru.org/images/2228943
https://twitter.com/realsfrogue/status/1209557393006383104

From source:

Merry Christmas, everybody!

To celebrate this special day a long list of artists have come together to bring you this huge artpack. Featuring many posters, drawings and animations! I want to thank Hooves-art, DevineSFM, DJ_Thundy & Vision for helping me organize! And I would also like to thank everyone who has participated in this large undertaking!

Download the artpack here:
https://mega.nz/#!BcRGkaQK!iGjgEwSW_cWraZ2naGwHIhRvNBJi5C8Wb3vQpx8GbsU

README.txt:

Thank you for downloading the Winter Wonderland Christmas artpack! We hope you're having a good time celebrating the end of a decade.

Before you check out the large amount of content, please read the following:
-Please do not repost the content within this pack to other websites. The original artists will be posting these themselves in the near future.
-Please do not claim anything within this pack as your own. The original artists have all worked very hard in order for this to be possible.
-Please do not edit the content within this pack. This includes using it for compilations and other collections.

Thanks again! Happy Holidays!