Thanks for helping. Turns out that the <Card_ID> folder under the sdcard is owned by root, same group too. I had to change that to the nemo user/group. After that I could create a directory on the sdcard, using FileCase (must've created it from the shell before). Though, now seems that OSM Scout server is not able to retrieve a list of countries for map downloading. It comes up with a "Timeout" error. Though, it works just fine, when the map folder is under /home/nemo/Maps.OSM. I am lost