Can you tell me which npc you don't like? I assume that it's Thomlin and Aldis, right? Well, their pictures aren't great but (Especially Thomlin, I think) but well, they there and I don't fell like redoing them right now. I'd rather draw new one with Ravy instead.
You don't have a problem with Ela's and Marenne pic, right? I think these two are on par with main character pic so it's okay I guess...
For now there is no option to turn them of, but maybe if there's more of you who would want to turn them off I shall make it possible. It may be a little bit hard to do but probably I can do it. Let me know what do you guys think.