51B58F37-E723-43BE-85... jpeg
(177.38 KB, 1024x1024)

EACBE750-ADC8-4... jpeg
(90.02 KB, 975x1200)

Website analysis

web.archive.org is read only as of now (Tue Oct 29 16:25:52 2024 UTC); example:
> {"Name":"1730219289-https---web.archive.org-save-https---link.4everland.org.ipfs.txt","Hash":"bafkreiecdgu43es3cuz2vnpc3h6rehfz7vaujtvxairblw2km25b25bk7a","Size":"684"}

derpibooru image upload webpages range in size from 160KB to like 260KB. Too large, but not way too large. Related - https://250kb.club/
> Websites [pages] in this list must not exceed 256KB compressed size!

boards.4chan.org/mlp had an IWTCIRD thread with >500 replies, WARC:
> {"Name":"1730218347-https---boards.4chan.org-mlp-thread-41526413-i-want-to-cum-inside-rainbow-dash.ipfs.txt","Hash":"bafkreiaoxeoah7jv54kfk4jlaokqb7jq2buw5nk7itiuqwv5qs576xaify","Size":"766"}
Metadata keywords appear to filter out "naughty" words, such as "cum":
> 
> 

Reading older threads

https://desuarchive.org/mlp/thread/37282936 - I'll call this "Halloween costume thread", quote:
> Does the purple shiny piece go in your butt, as a tail base?