Unhappy emergency boot animation

i m onandroid 4.3 rooted galaxy note 2
i tried to change boot screen by cwm flashing file and did all the steps corerctly renaming bootscreen to samsungani placing bootanimation.zip on system media and flashing but boot screen did not change
instead i lost samsung orignal boot screen
now when i switch on galaxy note 2 i see on name of mobile then blank screena and them pin comes after 2 minutes
i lost samsung orignal boot screen as well
pls help me how to change boot screen to make it workinng android 4.3