You requested the URL:

http://nicemice.net/amc/photos/raw/2007-06-01-035548-flowers/sizes/w1675-h1256.jpg

The web server for the nicemice.net domain is www.nicemice.net. You probably wanted the URL:

http://www.nicemice.net/amc/photos/raw/2007-06-01-035548-flowers/sizes/w1675-h1256.jpg