You can download the work in progress version of the graphic package right now. The base package is also available and will be updated as often as possible till the next release.
For those who don't already know what is WebApp.Net (WAn)
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WebApp.Net has been designed to mimic the actual iPhone and iPod Touch graphic user interface. It provides many powerful and easy to use items, based on javascript and cascading style sheets technologies, to help you designing great and must seen web applications for Apple's latest mobile devices.
http://webapp.net.free.fr/
http://webapp.net.free.fr/Doc/
http://webapp.net.free.fr/Demo/
http://webapp.net.free.fr/Forums/