If someone needs a raster map for the Greek island of Cephalonia (Κεφαλλονιά), You can download it from here:
Spoiler: SS
Google sat, 18x zoom, HQ, was used. The raster map for the whole island is divided into three parts: North, Central and South. All three pieces are need to unpack and insert into the iGO/content/raster.
Enjoy!