Add images to layout.Select those photos you want print ,and drag and drop these photos to workarea,or you can
double-click on the selected image in left pane.

You can also right-click the selected image in the left pane,select add image(s) to page in the popup menu.

If you want to touch up your photos ,you can open Image Editor to edit your photos by double-click the image object
in the right workarea.