I haven't finished, no... and not sure if I will any time soon, as it seems to be a viable vehicle for an abstract narrative (other games I wrote are slightly more cohesive). With regards to the art, I used old paintings, some from a century ago... thought they could still be interesting to put in a contemporary VN... a mix, yes, as the characters were presumably created recently (by others... I'm just a writer)... I thought they still meshed up adequately... and, yeah, for some reason I tend to use 'verily' a bit, even in the other games, as it doesn't seem to be a word often used elsewhere...
By transitions you mean... how exactly? Is this something available in renpy, or they're normally resourced from elsewhere like imagery is?