As suggested kwa GypsyMarionette, I'm going to make a step-by-step process on how to manipulate an image.
*This is to help other users who want to make an OC. :)

As always, I'll be using link here.

I'll make two samples & steps here. One for hair manipulation and the other for face manipulation.

Let's start with the hair.
I'll be manipulating Aurora's beautiful hair with Anastasia's body.



So first is to cut out Aurora's hair. I used the 'Polygonal Lasso Tool', instead of the 'Wand tool', to go through the details. (Have patience on doing this)
*Remember to start and end at the same point....