Hi,
I recently compleated this project, and have created a 4-video tutorial for others to follow to create there own versions and editions of the design using zbrush. The base mesh can be downloaded here.
[youtubehd]ICm_AKcGJAU[/youtubehd]
[youtubehd]i8_5Kyjnn8I[/youtubehd]
[youtubehd]O9lFelh8Gxw[/youtubehd]
[youtubehd]KeoxLiGRKO4[/youtubehd]
Below are some some variations already done
cleopatra
frida kahlo