You can set the feature image (thumbnail) for a gallery, folder, or page on your site. To make this magic happen, go to the Site link in the navigation bar, and browse to the folder, gallery, or page. Once there, click the Settings button in the section bar.
On the Basics tab, click on Feature Image. This will open the dialog that allows you to navigate and choose a featured image from your uploaded photos.
You can remove a featured image by clicking the X next to it in the gallery, folder, or page settings. This gives you the option to choose a different image to feature.
You can also access the settings options from the Organizer. Click Organize in your navigation bar. Next, select a folder, gallery, or page in the Organizer sidebar, then click the Settings button and follow the same steps above.
Note: If you don't pick a feature image for a passworded gallery, we'll display a lock icon by default.