1. A system for displaying digital images having a high interest level to a particular person, comprising: an image display, an image capture device positioned to capture images of persons viewing the image display; a data processing system; and a memory system communicatively connected to the data processing system and storing instructions configured to cause the data processing system to implement operations comprising: capturing an image including a depiction of a person positioned to view the image display; designating a plurality of candidate digital images, each candidate digital image eluding one or more image elements; determining familiarity levels of the one or more image elements to the person included in the captured image; determining an interest level for each candidate digital image responsive to the determined familiarity levels for the one or more image elements included in the respective candidate digital image; selecting one or more of the candidate digital images based on the determined interest levels; and displaying the selected one or more of the candidate digital images on the image display.