Thank you for reaching out to the Community! I do apologize but I am not sure what picture you are referring too. If you are able to send me a screenshot or give additional information about where the picture is located I would be happy to help! Thanks.
That looks like a branded footer! If you are not able to just click on the picture and choose replace, please email social_support(at)constantcontact(dot) your username, the picture you want replacing the current one, and a reference to this post. Thank you!