my steps :
1. get bootanimation and samsungani (custombooting.zip attachment) from
this thread :
http://xdaforums.com/showthread.php?t=1161354
2. get one of the boot animation from
this thread (i choose honeycomb blue
) :
http://xdaforums.com/showthread.php?t=985251
3. rename the
bootanimation.zip to
sanim.zip,
4. backed up samsungani and bootanimation in system/bin,
5. copied bootanimation and samsungani from step 1 to
system/bin,
6.
set permission rwx - rwx - r_x to both of the files (in my phone they set automatically using root browser),
7. copy sanim.zip from step 3 to
system/media,
8. reboot, and awesomeness .
sorry if my steps above are little bit confusing, but that was my steps
qzem said in his thread that gingerICE is :
so i believe the how-to-change-boot-animation is quite the same .
hope this helps .