A. There are two main areas where you can customise your site, both available from the "Quick" and "Main" menu displays.
Note that settings relating to an individual user are to be found by selecting "Users" from the menu display, clicking on the desired user and then the "edit" link. For convenience, you can access your own user settings directly by selecting "My details" from the menu display.
The site wide customisation pages are:
The Status page (select "Status" from the menu). This provides an overview of your account settings and gives you a selection of key options for configuring your site. In particular, you can choose a one of the pre-provided colour templates to change how your site looks and control whether the content you create is publically available. All of these options are available in greater detail in the Settings page.