I have removed the images that you posted in your message that replaced the account screenshots. Those images didn't need to be replaced with other random pictures.
You do still need to delete your self-serve account screenshots from your Community account profile.
Click on you the avatar picure and go in the My Profile area. The next step is to go into My Photos. Tell the page to show All Images. Put a checkmark in each cheeckbox. Left click/select Image Options and then choose Delete All Checked Images.