Only the second is broken, here is the working link:

http://user.schule.at/go/export_gs_map.py

I'm working some month with blender (and the exporter) now on an almost daily basis, but I'm still far from being an expert in blender.

http://www.puppenheim.org/
http://www.wuerfels-welt.de
Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip
Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip
http://www.puppenheim.org/blender_starting_main_settings.txt