A user of an interactive medium may select advertising for display on the user's avatar, property, or other user-associated environment. The invention presents one or more advertisements to the user and allows the user to select at least one advertisement to display. The user may also choose a location for displaying the selected advertisement. The invention presents the selected advertisement to other users of the interactive medium. The invention tracks these presentations or displays and rewards the original user based on the presentation. The tracking data may also be used to bill the advertiser or optimize the process of selecting and displaying advertisements.