Today you will edit your 12 shots.
Crop any excess darkness out of the image. Then adjust the levels for color if you want. Here is an example of a before and after:

Before 

After

You can name the photos as follows:
design1.jpg design2.jpg design3.jpg
writing1.jpg writing2.jpg writing3.jpg
silhouette1.jpg silhouette2.jpg silhouette3.jpg
portrait1.jpg portrait2.jpg portrait3.jpg

Run a 3 column, 4 row contact sheet and name it lastname_firstname_light.jpg