Get hold of version 0.63d, as that's the latest working version.
http://brawltools.googlecode.com/files/BrawlBox%20v0.63d.zip
http://brawltools.googlecode.com/files/BrawlBox%20v0.63d.zip
I got that, Thanks!.
And of course, you out of all people would have texture hacking help ^_^