Hello, I just discover nodebb.
I have a few questions:
1.nodebb allows change the skin like Discourse?
2.Also, I just realize nodebb uploaded my image attached to this post, to imgur. I have to pay on imgur or somewhere for this feature?
3. is there a free spanish translation?
4.how many free skins are available?
5. Is it possible migrate from xenforo 2.x ?
6.I just signup here using an email from https://temp-mail.org/ . Is there a spam filter to don't allow users signup with https://temp-mail.org/ ? This spam filter is free?

Thanks so much!