Found a little blurb program of interest now that there is a BK1 file player (virtuagirl).
BKWork
======
This program is intended to work with BK and STA-files, such as play the
animation, convert BK (STA) to GIF or AVI files, convert GIF or AVI files to
BK (STA) file so its can be used by VG or SS program.
http://home.pi.be/~pd958219/files/bkwork317.zip
Makes virtuagirl a nice gif player!
BKWork
======
This program is intended to work with BK and STA-files, such as play the
animation, convert BK (STA) to GIF or AVI files, convert GIF or AVI files to
BK (STA) file so its can be used by VG or SS program.
http://home.pi.be/~pd958219/files/bkwork317.zip
Makes virtuagirl a nice gif player!