Image from from mignon's survey for Heso Dashi Look (pool #17803). There's also a phone-sized wallpaper for post #4816181.

Link: https://docs.google.com/forms/d/e/1FAIpQLSfUSWR3hukwltnBRC9ERKH6n33p4STHDsLhb-imE_vjrpFZvw/formResponse