This is the default for all new pages (Fig. 1). The main column contains the principal text of the page while the left-hand column contains an automatically generated menu of neighbouring pages.

You can add further items below the automatic menu in the left column if you choose. To do this you add a content element to the Left column of the page. It is suggested that the items you add should be formatted as a bullet list. They will appear as such when viewed in the Rich Text Editor but will be formatted like the automatic items (i.e. without bullets) when the page is viewed.

This one eliminates the left-hand column (hence no menus) and the grey area on the right-hand side (Fig. 2).

This one adds a poster image to the Two Column template (Fig. 3). 

If you simply select this template and do nothing else then the image will be chosen at random each time the page is displayed. 

If you want to choose the image yourself then you must create an Images only content element in the Right column. The image should be 660 pixels wide by 235 pixels high.