Some terminal emulators – e.g., kitty – can show images inline. I use `toot` and `tooi` to read the Fediverse in kitty, and the images are there alright.
I'm sorry, it's only for people I know personally. Also, it only holds minor Usenet hierarchies like the vestigial dk.*.
It's not too difficult to set up INN2, and it's easy to get an external feed. It uses minimal resources, and there is hardly any maintanance once it has been installed and configured.
I'm not a programmer, but I like this. It's very easy to use. I can even use gojju on the shebang when writing scripts. I'm a fan. I could package this for ArchLinux User Repository (AUR).
In the long run it would probably nice with a switch or an environment variable to make the banner less intrusive.