You can rename the frames in MED easily, but it depends on the ersion of MED how to do that. In the latter MED: -->Edit-->Manage Frames-->Rename Frames...

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