Broken thumbnails in lemm.ee?

Is it just on my end? All other instances i have tried (.world, .ml, sh.itjust.works, db0, even hexbear) are displaying thumbnails correctly. I have tried opening lemm.ee in chrome, changing my dns etc.

Anything else I can try? Any help is appreciated.

Here are the screengrabs for those interested https://imgur.com/a/LGlVI6T