Among the first things someone does in Second Life once they've gotten around a little is to fill out one's profile. This is what people will look up if they want to know more about you. And the first thing they'll see is the picture. You could just take a quick picture of yourself and post it. Or, you could take some time and effort to make a quality one for a better impression. How do you make a great profile pic? Becky Shaman has a little advice on the subject.