Silverlight - Animating Wrap Panel

check out this post by Atul Gupta using the HackingSilverlightLibrary:

"Panels, as we know, are pretty much the basis of building any Silverlight application. They help arrange the other Silverlight controls in specific manner like Stack allowing you to stack controls either horizontally or vertically, Grid allowing you to position controls in rows an columns and Canvas giving you a free flow behavior. This blog however isn't however a primer on panels and you can..."

http://infosysblogs.com/microsoft/2008/07/silverlight_animating_wrap_pan.html