Kitsch – something that appeals to popular or lowbrow taste and is often of poor quality; a  tacky or lowbrow quality or condition (Merriam-Webster online dictionary)

“That’s where Eugene Norman lives. He’s in his late seventies and is a painter of sorts. I think his work is kitsch, but he’s rather well known as a landscape painter.”

Stieg Larsson, The Girl with the Dragon Tattoo