Click/Tap on your choice of boot logo to download to your device...
Open the Terminal app, and type the following exactly as shown including spaces:
cp /sdcard/Download/boot-logo.bmp.gz /odm/
and press [Enter], then reboot the Odroid
Click/Tap on your choice of animation to download to your device...
Open the Terminal app, and type the following lines exactly as shown including spaces, assuming you downloaded the animation to the Download folder:
su
and press [Enter]
mount -o rw,remount /system
and press [Enter]
cp /sdcard/Download/bootanimation.zip /system/media
and press [Enter] then reboot the Odroid
Note: If you have previously downloaded a bootanimation.zip file, it most likely will be renamed to bootanimation(1).zip or bootanimation(2).zip etc. This should be reflected in the commands you run above, ie. change bootanimation.zip to be whatever the filename is on your Odroid.