My first attempt at themed sigs.

I've only recently started posting on this section as I've started learning to use Photoshop. You will have probably mostly seen me posting sigs in the rate my sig thread. Anyway's this is my first go at sigs with a theme and I was curious on people's opinions and criticisms:

They are all my characters, and in the same crew, and will be appearing in my RP stories in the future:

I have a few more chars to do the sigs for, but those are all for now.