These are instructions on how to change or remove the animated boot logo installed by performing the Greenpois0n jailbreak.
Launch Cydia from your Springboard.
Press to select the Sections tab from the bottom of the screen.
Tap to select Addons (BootLogo) from the list of Sources.
Press to choose Apple boot logo from the list of Packages.
Press the Install button at the top right of the screen.
Press the Confirm button to begin installation.
Once installation has completed successfully press the large Restart Springboard button.
Once you have been resprung press to launch Settings from your Springboard.
Tap to select BootLogo from the Settings Menu.
Choose Apple Logo from BootLogo to display the normal Apple logo during boot.
*Notice that any additional animated logos you have installed from the Addons (BootLogo) category in Cydia will appear under Extras for easy access.