My First contribution.
For Boot Logo please flash the 'JB_4.3_boot_logo.zip' file via CWM Recovery. Now instead of old "CANVAS" boot logo we can have Google Nexus 4 boot logo. Below is the screenshot for boot logo.
For Boot Animation please place/replace the "bootanimation.zip" file to \system\media (should be mounted as R/W) folder and reboot.
[Can any one please post this Youtube link properly]