First you should get all avaible .rel files for your region by exporting the module folder out of your ssbb iso ( you will need this tool called "Wii scrubber"
http://www.mediafire.com/?5ja47r5lo45wp6w ) after you got the rel files you can swap them to your liking by using the tool "Stage Switcher" (
http://www.mediafire.com/?zygvyygmwwy#1 )