无法访问asp.net中的嵌入式资源

I'm trying to move an image and a style sheet from a user control to embedded resources in the assembly. I have used Reflector to see that the image and .css file are embedded in the assembly, but when I try to access them using the URL created by ClientScript.GetWebResourceUrl(), the resource is not found. I'm stumped.I'm trying to move an image and a style sheet f