Lemmy admins will set up the Pict-rs service when they’re willing to deal with and can afford it. Images take soo much more space than text and could be illegal (think child abuse).
I imagine if admins truly wanted to disallow images via text replacement (like “Imgur” or “.jpg” become “”.
You should be fine to use ibb.co or something. Throw the URL here: 
Lemmy admins will set up the Pict-rs service when they’re willing to deal with and can afford it. Images take soo much more space than text and could be illegal (think child abuse).
I imagine if admins truly wanted to disallow images via text replacement (like “Imgur” or “.jpg” become “”.
You should be fine to use ibb.co or something. Throw the URL here:

It’ll display inline :)