The display of some images may be restricted to members that are logged in to your website.
“Restricted Images” will only display for members when they are logged into your website. Restricted images are filtered out of galleries if you are not logged in as a member.Individual images may be marked as “restricted” by checking an option for the image when uploading or when editing the image in an Image Library.
Authors can also set a profile setting to restrict the display of all of their images. Go to “My Account”, “My Account Settings” for details.
We also may mark an image as restricted if we discover that is contains adult or violent content. This is mostly an automated process provided by Google. They rate the probability that the image may need to be restricted.