What are fun and calming decor to do on your home?

I rent.
I’ve tried the tapestry’s and rustic paintings of the island I’m on, on a old wood board. But it’s not fulfilling enough and I always have a need for a change. Maybe some glow in the dark stars? I don't know 🤷‍♀️ help a sista out
What are fun and calming decor to do on your home?
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