Issue:Forms authentication doesnt allow images to show in IIS

     You already defined correct authentication like this:  <allow users="?" /> 

and IIS still doesnt show the images css or other resources

Solution: Edit Anonymous Authentication  and set it to Application Pool Identity

RadAsyncUpload too big

<style type="text/css">

 .RadUpload .ruFakeInput

 {

  height: 12px!important;

  width:60px!important;

 }

</style>