Here's how to update the Sponsor Banners on the landing page drop down menus
1. Menus (Joomla Menu)
- add menu item to the correct menu as type external URL

2. Menu Editor (Extensions > Templates > Styles, pick any that says Galatea)
- select the menu you want to change such as Lodging
- the sub menu you want to the banner to, click the downward arrow to expose the links underneath

- select the new menu item you added see the example White Gull Inn in the Bed and Breakfast menu
- add your image
- click the checkbox to the right of icon only

- click apply and save
- click Save Menu in the upper right hand corner