This may sound silly, but I believe it counts as a beginner's technical question.
How do I add an Avatar image?
I see the Http:/ Does this mean I have to load my image somewhere to use it?
this would actually be a general chat question. this forum is for ags engine technical quesitons. your answer is in one of the "READ FIRST" threads at the top of the beginners forum.
http://www.harbinger-software.com/ags/faq/#misc