Hey folks, I'm new here. I'm on Threads and Blue Sky also. For some reason I can't get my profile to showcase picture so bear with me.
Here is the section on avatar and header image requirements :)
/nosanitize
https://help.counter.social/en/latest/getting-started.html#avatar
@LaNita_D
Hello and welcome!
@LaNita_D welcome to the ~dark side~. We have cookies
@LaNita_D
Welcome, LaNita.
@LaNita_D downsize the image.
@LaNita_D
Welcome to CoSo 👋
This is the link to the user guide
It may be able to give you some guidance
If not, let us know and we'll try to assist
https://help.counter.social/en/latest/getting-started.html
@LaNita_D 👋🏽 Welcome!
Welcome! 😊🙏🏻
@LaNita_D
Welcome to CoSo!
Check out our user guide, which by the way has a section on file size limits for profiles and headers :)
https://help.counter.social
Or ask for help as you just did :)