Silhouette:
I made this one B&W & darkened the blacks.
Distortion:
I made this one B&W. I also darken the blacks.
Pattern:
I made this one B&W. I lightened the white a little and then made some of the shadows darker.
Diptych:
Edited this one in PS. I uploaded the original & then inverted the same photo & added them to a blank file.
