Instructions for adding or changing your avatar:
In Modify Profile > Forum Profile Information
First, clear out any invalid link to a prior upload attempt:
• highlight the "Personalized Picture" radiobutton
• select (no pic) in the list to the right
• scroll to bottom of page and click "Change Profile" button
Now you're ready to upload a picture:
• highlight the "I will upload my own picture" radiobutton
• click the "Choose File" button and choose a jpg, gif, or png file on your drive
• scroll to bottom of page and click "Change Profile" button