1. A camera, comprising: an imaging unit imaging an image of an object and generating image data; a recognizing unit generating distribution information which represents a distribution of a main object in an image of said image data based on a result of a face recognition processing performed on said image data; and a decision unit determining an inserting position to insert an inserting-image into said image data based on at least one of said distribution information and contrast information of said object, wherein said decision unit determines said inserting position based on said distribution information and said contrast information, and said decision unit determines weight for said distribution information and weight for said contrast information based on a ratio of the weight for said distribution information to the weight for said contrast information, and determines said inserting position based on said distribution information and said contrast information weighted with said respective weights.