Edit maps with GPSMapEdit
Map of Yucatan
Very nice and completely routable maps based on OSM data by Lambertus
Cloudmade's OSM maps of Palau for OSM improvement
Cloudmade's OSM Error Edition maps of Afghanistan
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.