The photo on whichever website you're trying to link to should be right-clickable you should see on the right click option list a term that says 'copy link address' click that and then paste it into the profile picture spot.
The photo on whichever website you're trying to link to should be right-clickable you should see on the right click option list a term that says 'copy link address' click that and then paste it into the profile picture spot.