@Dorrisbriggs12 Welcome to CS, Dorris!
Here is the User Guide:
https://help.counter.social/en/latest/
Some suggestions:
Follow people. Ask questions. Just Post them out. Join conversations that interest you. Post music, art, pets, articles pertaining to your interests. The Guide tells how to change your AVI from egg to your own image under "Setting up your profile" and Avatar. Enjoy the site!