Has anyone successfully changed the bootanimation?

If so, which one's did you replace in system/media bc there are SOOOO freakn many!

bootsamsung.qmg, bootsamsungloop.qmg, shutdown.qmg, SPR_bootsamsung.qmg, SPR_bootsamsungloop.qmg, SPR_shutdown.qmg, XAS_bootsamsung.qmg, XAS_bootsamsungloop.qmg, VMU_bootsamsung.qmg, VMU_bootsamsungloop.qmg

:confused: