Adding and editing the text and links that show in your profile.
Click on 'Customize Profile' when logged in to change your name....
Not at this time, as profiles are centered by default (it looks better that way, trust us!)....
Sorry, for security reasons we don't allow HTML (including links) in biography text....
Please verify that you have entered the full URL (e.g. http://www.twitter.com/yourname) rather than just the Twitter handle (yourname)....