@Warit Kasamjit, good cut but please crop images much closer to the chin, leaving no more than 2-3 pixels beneath it.

Since in some sources, like this one, the person in the image may have a longer neck than usual or the collar is lower down, this would be quite difficult to achieve naturally. Here's a technique of how this can be accomplished quite easily:

I've left a few of your cuts as pending, perhaps you could recut them with the above in mind.

Also, if you have multiple images to upload, save some time and do so using the upload pack function in this manner: