To change your ‘neutral image’ next to your comments, just sign up for a Gravatar (or Global Avatar). This gives you a photo to put next to any blog and associates it with your email address:
http://en.gravatar.com/site/signup/
Once you upload an avatar, you can avoid the ‘mystery man’ look:
Look forward to seeing you on the blog.
Adam Hewison
President INO.com
Co-Creator of MarketClub.com