Adding a featured image to every gallery allows you to control which gallery image represents the gallery on archives and on your homepage.
To get started, visit visualsociety.com and log into your website.
Go to your Galleries.
Choose the gallery you want to apply a featured image to.
Click Set Featured Image.
After selecting a featured image click Update. Then apply featured images to your other galleries following the same steps.
After setting featured images to your galleries check out the end result!