This is the pic that I used for the center of the piece, also mine.
step 4 of 6
Almost forgot- This is a texture, also mine, that I used.
step 5 of 6
I'll say now that this is a weak SBS. I did so much erasing and re-arranging that I don't have many steps in tact. This one shows the repetition of the right image. Most overlapping was blended with soft erasers, and some opacity was adjusted.
step 6 of 6
This is an overview of most of the stuff done to the picture.