Boss Pro: Front Page 6
The Boss Pro theme displays a text widget in the Front Page 6 widget location, set to display six images/links:
To add a text widget to this location, go to Dashboard > Appearance > Widgets > drag a text widget to the Front Page 6 widget location. Add content to the "text" tab of the widget as shown below:
The formatting of the widget is shown below:
Update the URLs with your desired image links.
Don't forget to save when done.