Thank you for replying so quickly.
  It is indeed a set of layered files with a mane or tail on each layer. I don't know exactly how to go to the layer that has the graphic I need, and if I do get to that layer, I don't want to move the graphic of the mane to my image for fear it will then be gone from the set and I will be unable to use it again.
I just don't know .....