Well I can help out on where you can post pics on

Relax. FA is not going anywhere.

How do you know?

They're shutting down the forums next year and replacing it with a Discord server. FA itself will still be here.

Zolt: I just read the update and you don't have to worry my favourite belly button loving coyote. FA is not going anywhere.

They are just getting rid of their forms. And they are replacing it with a discord server.

The rumors that Fur Affinity is shutting down are false. The only thing Fur Affinity-related that is shutting down is its forums. Look at this journal by  Fender: https://www.furaffinity.net/journal/10411624/