Filmstrip View
Select () the button in the top toolbar to view a row or column of thumbnails (the “filmstrip”) below or to the left of the viewer in the image viewer, “2/4 images”, and before-and-after displays.
You can change the orientation of the filmstrip by clicking . The orientation is reflected in the icon for the filmstrip tool, which changes to when the filmstrip is displayed below the viewer and to when it appears to the left.