BootMii Configuration Editor llows you to change the values in the /bootmii/bootmii.ini file without having to take out the SD card and edit it on a PC.

Changes:

Resolved a bug that caused a code dump if the bootmii directory did not exist. The bootmii directory is checked for existence on startup and the user is prevent from making changes if the directory does not exist
Improved Look & Feel.

http://wiibrew.org/wiki/BootMii_Configuration_Editor