> I donot know why I cannot mirror the following 
site's 
> image file. How is the setting?>
<http://www.idolwatch.com/gallery/gallery.php?65>

You can't, unfortunately, due to javascripting code:
onclick='goto("gallery.php?65/9");return false;

The 'real' link will then be formed using the 
parameter and the suffix (not quite easy to parse for 
an offline browser..)