Image of Pinkie Pie is from Breckel, H., Curnow, B., Fleecs, T., Uyetake, N., Zahler, T., & Adams, T. (Publisher). (2017). My little pony: friendship is magic. Issue 57. Hasbro; IDW. It was drawn by Tony Fleecs and is on page 19 of the comic. I have checked that it has already been posted elsewhere so I hope this does not count as not publicly available information.

Image of Cosmos is from Breckel, H., Brown, M., Cook, K., Curnow, B., Price, A., & Uyetake, N. (2019). *My little pony: friendship is magic. Issue 76. Hasbro; IDW. It was drawn by Andy Price and is the A cover for that comic.

Image of Eris is from Breckel, H., Brown, M., Curnow, B., Fleecs, T., Uyetake, N., Whitley, J., & Goldstein, G. (Publisher). (2018). My little pony: nightmare knights. Issue 1. Hasbro; IDW. It was drawn by Tony Fleecs and is on page 19 of the comic. Disclaimer is the same as for Pinkie Pie.

Image of Discord is from Anderson, W. (Composer), Chu, K. (Animation Director), Davidson, K. (Composer), Davis S. (Exec. Prod.), Fipke, A. (Exec. Prod.), Ingram, D. (Composer), Klassen, T. (Voice Director), Kosicka, K. (Art Director), Liwanag, R. (Animation Director), Newlands, K. (Exec. Prod.), & Wall, S. (Exec. Prod.). (2016) Dungeons and Discords (Season 6, Episode 17). Hasbro Studios. In My Little Pony: Friendship Is Magic. Screencap was taken at around 5:37 minutes.

Image of Autumn Blaze is from Anderson, W. (Composer), Chu, K. (Animation Director), Davidson, K. (Composer), Davis S. (Exec. Prod.), Dubuc, N. (Exec. Prod., Composer), Haber, J. (Prod.), Hart, E. (Co-Prod.), Herring, M. (Art Director), Ingram, D. (Composer), Klassen, T. (Voice Director), Liwanag, R. (Animation Director), McCarthy, M. (Co-Exec. Prod.), Miller, J. (Composer), Newlands, K. (Exec. Prod.), & Wall, S. (Exec. Prod.). (2018) Sounds of Silence (Season 8, Episode 23). Hasbro Studios. In My Little Pony: Friendship Is Magic. Screencap was taken at 10:57 minutes.

I feel like nopony will get this reference.