Ver.0 is nice but maybe too light.
I think ver.1 is too dark. I would agree with Larb though. Maybe lightened and desaturated a bit it might be best.
Ver.2 - I like it. Makes it seem like winter or really late autumn. Maybe some outlines are not dark enough.
I like ver.3 too, kind of like summer haze going on there.
I know that isn't real helpful. I would say - which one feels like your favorite?
Pick that one and we can give suggestions to try to make that one feel right overall.
I have to ask... why is the river so green?

All in all, seems like you've got a nice town going there.