Options image not at the end.
Firs Image not in white background
First image not in white Background
EX4, Duplicate images.
1.remove the low quality images, check the image resolution.
2.if the images in same quality, remove the front images.
in this case we removed the duplicate images,2,3,4 keep the first duplicate, remove the background and as the first image.
Not in white Background
For the size option, the image could been same. move the white background to first.