Indeed, all RadControls's skins were reworked in the Q1 2009 release. You could still use the old (pre-Q12009) skins with the new version as external ones.
I have attached all RadControls's skins that were embedded in the Q3 2008 version. They have been adapted to be fully compatible with the Q1 2009 release.
In order to use them as external skins for RadFormDecorator, you should do the following:
1. Add the base and skin's specific CSS files for the RadFormDecorator control to the head section of your page.
2. Disable the embedded skins for the RadFormDecorator control and the embedded base stylesheet.
3. Set the Skin property to the name of the skin that you want to use.
the Telerik team