(1) Simply select the first image you wish to crop in the file manager. (2) Select the crop area by 'rubber banding' with a left mouse click. (3) either Click the Crop button or press the SPACEBAR. (4) The image will be cropped, and the filelisting will automatically advance to the next image in the list. (5) The 'crop area' square (markup) will automatically show on the next image. Make adjustments to the crop if you wish, and then click Crop or press Spacebar and the image will be cropped and it will then move on to the next image in the list.