CAR file of Ponychan folder "static" which includes stuff such as ~all banner that were used on that site:
https://trustless-gateway.link/ipfs/Qmd5GYhNYk4tY3ofBQh1P3cC8psTySAczX69jyHVG1KxUn?format=car

Here's some of those banners. One has the text "pchan.co"; example URL:
https://web.archive.org/web/20240107065144/https://pchan.co/test/src/1704605421805.webm