potato-quality

Adjective

 * 1)  Of exceptionally poor quality; low-resolution, grainy, or blurry.
 * 2) * 2015, Bin Feng, quoted in "Bin Feng", Art Reveal Magazine, Number 4 (2015), page 21:
 * What good [sic] about photography is that we save money on diet pills by going out with a camera, and we don't have potato quality Instagram selfie! [sic]