I gess mplayer did one better and made the ntfs a open source. Here it is
http://wiibrew.org/wiki/Libntfs I hope someone adds it to the loader at some point.
You know... NTFS support would be a good thing to add BUT... as far as i can read it's not the best choice for a filesystem on the wii. I read this on the wiki for the libntfs
QUOTENTFS-3G only supports partial journaling, so unexpected crashes or power loss can leave the file system in an inconsistent state. The only way to (correctly) fix it is to boot into Windows and let NTFS replay the journal; However, in most suitations (read: it is not 100% guaranteed) this is not required and the file system can be remounted without problem. In suitations where there has been heavy disc activity prior to the crash or power loss it is recommended you let Windows replay the journal before remounting with libntfs in order to prevent possible data lose and/or corruption.