How to configure the Classic versions of RadControls to apply skin that is different than the default skin you can see from the topics in the documentation below:
I recommend you use the ASP.NET AJAX counterparts
of the controls because they are built on top of the ASP.NET AJAX framework and include various new features/enhancements that you may find useful.
the Telerik team
Watch a video
on how to optimize your support resource searches and check out more tips
on the blogs.
Follow the status of features or bugs in PITS
and vote for them to affect their priority.