oo congrats
a naturalistic town sounds lovely, but if at any point you decide you want a different theme for your town, you could always go with one of these ideas:
a colour themed town (villagers, flower, house exterior, pwps that corrospond with whatever colour you choose)
a food themed town
an all-species town (all cats, all dogs, all deer, etc)
a town based off of a real-life place (japan, paris, spain, etc)
a town based off of your favourite movie, tv show, etc
a seasonal town (fall, spring, summer, winter)
there's many things you could do with your town, and whatever you decide, i wish you luck!