1. A system for displaying digital images having a high interest level to a particular person, comprising: an image display; a digital camera 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 a method for presenting digital images having a high interest level to the particular person, wherein the method includes: using the digital camera to capture an image including a depiction of the particular person, wherein the particular person is positioned to view the image display; designating a set of candidate digital images, each candidate digital image including one or more image elements; determining familiarity levels of the image elements to the particular person included in the captured image; determining an interest level for each candidate digital image responsive to the determined familiarity levels for the 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 digital images on the image display to be viewed by the particular person.