1. An image control apparatus comprising: an image search section searching for at least one related image according to at least one attribute of a reference image; a search screen display section including an attribute display section and a related image display section and causing a display section to display a search screen wherein, the search screen display section sets an image serving as the reference for the search and causes the display section to display the reference image on the search screen, the reference image has attributes, the attribute display section causes the display section to display a specific condition corresponding to each of the attributes of the reference image on the search screen, and the related image display section causes the display section to display the at least one related image which has been returned in the search by the image search section as at least one image related to the reference image according to a specific condition corresponding to one of the at least one attribute, the specific condition being selected from among the at least one specific conditions on the search screen; and a change screen display section causing the display section to display a change screen for changing the specific condition of the one attribute to be used for the search to a condition except the specific condition in each of the attributes related to the reference image.