WinterBoard 0.9.3211-1 is now available in Cydia featuring iOS 4.0 support. Using Winterboard you can customize the UI and personalize your iPhone, iPod Touch on iOS 4.
Winterboard is one of the many reasons to jailbreak iPhone or iPod Touch. It gives you the liberty to install themes. Winterboard not only changes the look of your iPhone or iPod Touch but also used to change the sounds and personalize the idevice.
Update: Saurik has pushed another Winterboard which makes Winterboard 100% iOS 4 compatible
You can search Winterboard in Cydia and Install it
to customize your iPhone and iPod Touch
And you can download it from
http://apt.saurik.com/cydia-3.7/debs/winterboard_0.9.3211-1_iphoneos-arm.deb

Winterboard is one of the many reasons to jailbreak iPhone or iPod Touch. It gives you the liberty to install themes. Winterboard not only changes the look of your iPhone or iPod Touch but also used to change the sounds and personalize the idevice.
Update: Saurik has pushed another Winterboard which makes Winterboard 100% iOS 4 compatible
You can search Winterboard in Cydia and Install it

to customize your iPhone and iPod Touch

And you can download it from
http://apt.saurik.com/cydia-3.7/debs/winterboard_0.9.3211-1_iphoneos-arm.deb