Images not be displayed in the editor

Hi,

I'm using FCKeditor in asp.net.

I can upload and select an image into the editor....But i cann't see the image in the editor. If I see the source code I can see the image is here: <img alt="" src="~/UserFiles/Image/Danmarkskort.jpg" /></p>

And that is correct....the images are loaded in the folder UserFiles in the rootfolder.

What shall I do, so I can see the image in the editor?

Kind regards,
simsen