[vdr1981]

Try this...Open "Silent Hunter 5\data\Scripts\Menu\IO_StrategicMap_Settings.py" with notepad and change marked text to "False"...

# Created by TheDarkWraith for IO_StrategicMap_Mod
# Edited by Obelix 04/15/2011 @ 0140


###### IO_Strategic_map options ############

#+++++ specific IO_Strategic_map items ++++++++
#
# is the dripped visible?
# change below to either True or False
IOSMDrippedEnabled = False

# is the NavMapSeal visible (stam)?
# change below to either True or False
IOSMNavMapSealEnabled = True

# is the Plastic Texture visible?
# change below to either True or False
IOSMPlasticTextureEnabled = True

I'm sure you'll see the map much better...