I like the way the background is painted. Just add more buttons w/color matching the seasons.
sip and paint paintings - Google Search
This business website for "The Tipsy Canvas" has tons of good painting ideas.
the four seasons, acrylic paints, 4 canvases, made by me:)
Art: SEASON TREES in Pastel Colors by Artist LUIZA VIZOLI
An Easy Acrylic Painting for Beginners