Add the following properties:
- upload limit for profile pictures, in MB
- convert images from old profile to new?
- users to post status updates to Twitter?
- where Twitter status updates will appear to come from (see Settings below)
- allow users to change their profile picture?
- can users upload an image or just link to an existing one?
- allow users to change their privacy settings?
- override the default privacy settings with these options (0=everyone, 1=only connections, 2=only me)
- see below for the full list