1. A method comprising: generating a notification to a target user in a social network system, wherein the notification notifies the target user that the target user has been tagged in photos; performing object recognition on the photos, the object recognition including an identification of a face corresponding to the target user that was tagged in the photos and a landmark; determining that the target user attended an event associated with the photos; selecting the photos associated with the notification based on one or more predefined selection criteria, wherein the predefined selection criteria include photo quality and a first relevancy of the photos to the target user based on the object recognition and the target user attending the event associated with the photos, wherein the selecting the photos comprises: obtaining the photos; ranking the photos based on the one or more predefined selection criteria; and selecting the photos based on the ranking; cropping one or more of the selected photos based on one or more predefined cropping criteria including the identification of the face corresponding to the target user and the landmark, wherein the cropping includes cropping a first photo from the selected photos into a first cropped photo of the face and cropping a second photo from the selected photos into a second cropped photo of the landmark; combining the first cropped photo and the second cropped photo into a combined photo; and causing the combined photo to be displayed with the notification and a visual indication that the combined photo is associated with one or more actions, wherein the one or more actions include that the combined photo was commented on.