To add your account profile photo, please, go to the main  "Settings" section and click on the "Profile Information" link. Click the "Edit" icon in the right upper corner:

You can "Upload" the image from your device or "Take a photo" using your web camera. Also, you can crop your photo if needed. Scroll down a bit and click the "Update" button to save the changes:

Last updated:
Mar. 19th, 2019