To provide an image processing apparatus, an image forming apparatus, a method for processing an image, and an image processing program, capable of easily preparing an album with a better appearance.

When specified image data are selected from among a plurality of the image data (Step S102: Yes), the selected image data and the image data simultaneously inspected on the album are extracted (Step S103). Thereby, the specified image data selected from among the plurality of image data and the image data inspected simultaneously on the album are automatically extracted. Therefore, since such an image adjustment for making image characteristics nearly equal can easily be performed on the specified image data and the simultaneously-inspected image data, the album with the better appearance can easily be prepared.