Show Icon Header
If a metric has an icon attributed to it in the Report Engine it can be displayed in the header by selecting this option. (Notice the icon left of the header).
Discard Empty Value Rows
If there are rows which have empty values across all columns you can tidy up the table by removing these from view.
Hide Total Rows
You can hide the total rows column from a table by selecting this option in the visualisation panel.
In order to access this visualisation the table type must be set as Stacked. This allows you to display period comparisons in a cleaner view: