Michael Wolf uses zoom to add visible pixels to his images of facial expressions and dense architecture photographed with natural lighting, giving them a dull, low-quality look. Rob Sheridan creates a similar effect by corrupting image code to make pictures appear low quality or broken, often with bright or dark colors. The document discusses using these artists' techniques - adding pixels, corrupting image code, and capturing photos with dull colors and natural lighting - to create low-quality-style artwork.