When DH and I were house hunting, we saw some questionable paint jobs.
One house had horrible paint in every room, but the bedroom was the absolute worst. They'd painted the walls with that thick paint that you use to create a sponged texture on the walls. They'd painted the bedroom to look like cracked leather by sponging on black, deep red, and brown. It looked like a torture chamber, honestly, rather than leather, because it resembled dried blood more than anything. The worst part? The bedroom had a tray ceiling, and they'd done the trim around the inside of the tray ceiling the same way.
Then there was a house that had one room with a really weird vaulted ceiling. The ceiling was done in wood paneling, sort of like bead board, and they'd painted the ceiling BRIGHT bright green. Like seriously neon eye-burning green. Then they'd painted the border around the walls with watermelon slices in neon green and pink.
Still another house had a hand painted border in the kitchen that ran just above the counter tops. The woman had painted little cups of coffee with curly "steam" rising from them. The problem was she painted both the cups and the contents with varying shades of brown, along with the steam. She was also not an especially good artist, so it looked for all the world like there were little steaming cups of poo all along the kitchen walls.