We have provided various editing options. You will see them appear upon hovering over an image. The 1st and 2nd icons "+" and "-" will allow you to zoom in and out respectively.
The 3rd option is the photo editing option. Click here for a detailed explanation.
Below the photo editing is the photo reordering option. Click here for a detailed explanation.
The last four icons will allow you to add a URL link to the image, reset the image and delete the image respectively.