MacHeist and free PaintMee Pro
For folks on Mac OS and iOS: there are free puzzle apps from MacHeist where you get free software for playing and solving puzzles. They're fun. They're currently running MacHeist 4, and playing Mission 2 gives you PaintMee Pro. It's an app that creates painting-style images by simulating brush strokes, which can give more interesting results than simple image filters.
I don't know how long the "MacHeist 4: Mission 2" app and the free PaintMee Pro software will be available, so I thought I'd let y'all know about it.
Here's a sample output of PaintMee Pro: