As we many time discussed, that New GreenPois0n RC5 will bring untether Jailbreak to all iDevices up to iOS 4.2.1. So with providing untether jailbreak now it also allows you to select a custom bootlogo for iPhone booting.
Today, Justin Williams and Nicolas Haunold, also known as Jaywalker998 and westbaer, the members of Chronic Dev Team, have just posted a video on Youtube showing a jailbroken iPhone booting with custom bootlogo.
According to Jaywalker998:
The current plan is for this animation to be available for your boot animation via Cydia. Additionally you will have source to make your own
Not fully ready for release, but getting there. For those who can’t tell, the second image is the GP Skull 😀
Check Out the actual video which they posted: