Because each syndication channel has its own rules with respect to the order media is displayed, you will notice that the order of your photos in VScape does not always have a direct relationship with the order your photos are displayed on any given channel. That said, as a best practice we recommend that you name and categorize your images, and place them in VScape in the order you would like them to appear on third party sites.
The image you would like to set as your thumbnail, should be your first image in VScape.
As a best practice we recommend displaying your media in the following order:
Dining and On-site Facilities