Go to user profile
click on change avatar image link
will pull up a page of generic ones, at bottom of page there is a space to add a custom URL.

Paste URL of image you have hosted on the web somewhere.

To get an image hosted, you have to size it correclty on your PC, then use the picture upload function on this forum.
Once you have the picture loaded on the site, do a right click on the picture and click properties. The URL for the pis will be displayed within properties, this is url you want to paste into your custom URL space within your profile.

simple right?
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