At the top of the page under the GJ logo, there is a link "user cp" click that.
On the page that opens on the left side there is a heading that says "settings and options" under that is a link that says "edit avatar" which you will have to click.
Once that page opens the box next to "do not use an avatar" should be clicked.
You need to click the box next to "use custom avatar".
The maximum size of your custom image is 160 by 160 pixels or 19.5 KB (whichever is smaller).
You can upload a pic from your computer or use an image from the internet.
If youre using a pic from the internet...Use the appropriate text box for the website address.
If youre uploading a pic...Use the appropriate text box and click "browse" to find a pic on your computer. Click "upload" after choosing a pic from your computer.
Click "save changes".