"Alien Beach" on 4x6 card
Orange sands, purple water, frothy pink surf, green skies, and both the dark sun and the light sun in the sky.

Here's a few more card-sized (about 4x5) paintings I did for practice, just to see if I could do such things.

Flowers & a sunset over the ocean

A nature scene with lots of flowers I saw on the internet:

Based on a photo I took at Ocracoke, NC: