Once logged in, click the "My Account" menu, then "Profile" to arrive at this page.
This page allows you to upload a photo and set your social media links.
Image Upload - Click the "Select" button on the left to upload an image file from your computer.
Social Media - Type your social media URL links into the relevant boxes.
Save your details once done.
You can also delete your account via the link at the bottom of this page.