Standard OSM map of Samoa by Computerteddy
Map based on OSM data of Norway by raumbezug
Very nice and completely routable maps based on OSM data by Lambertus
Townmaps of many Russian cities
OSM maps of Armenia focusing on Error detection
This is a collection of nice topographic maps from Afghanistan. They feature roads, rivers, settlements, POIs and contour lines. They also provide english transliteration of the names.