These are the pictures I used as reference for the Captain Guinevere characters. I found them on Google; none of them are mine except for the cover. All credit goes to their creators.
It’s hard to find one for her, since the best model comes in the form of one of my friends, and she’s on the cover, so I’ll put that here.
You Merlin fans will know who this is. Not exact, but none of these are.
November and December (since they’re identical):
Amica (as a human):
Aldric Loyal (very loosely):