you can download New BoR Mod - KILL RYU 2 !!!
http://prodo00.made.com/kill_ryu_2.rar
or http://www.gp32x.de/files/kill_ryu_2.rar
more playable character, more enemy, more playtime, more mode, and hidden story!!
EDIT : You can download it from gpzigi, too.
Mod Developer is Hyo Art...