Images not working

Loving the plugin!

Everything is working great except that images are not working. When I upload an image the image will upload but will then show a broken image logo. The image URL will go to a 404 page.

Does anyone have any idea how to fix this?

This is one of the uploaded image links: http://radicalorange.com.au/wp-content/files/2013/01/Kirsty.jpg

Thanks heaps!

http://wordpress.org/extend/plugins/wordpress-mu-domain-mapping/