This document discusses conventions in indie rock album covers and promotional posters. It notes that black and white colors are typically used to give an urban feel. Posters usually contain the band name and release date to promote albums. Album covers often directly reference the image used in promotional posters to link the two. Unconventional color schemes and simplistic, unique images are used to make covers stand out while keeping them simple. The document concludes that these techniques help indie rock bands effectively promote their music and albums.