I like the font and raised "Z" in #43 and 44.
Perhaps try it with the "C" effect you did in #55? I wonder if that would look good or if it would be too busy?
Or you can use part of my actual tattoo for the "C"
http://www.flickr.com/photos/radiospike/8223025730(It's a camera shutter)
I like the variety in your ideas - I'm trying to think how to take them to the next level.