> Because Httarck can´t download this link as a file JPG:
> 
<http://lachica.metropoliglobal.com/galerias/galerias_hardco>
> revii/downloadimage.php?
Do in "Set Options"/"MIME types" and erase all default MIME 
types (something like asp,php <-> text/html), and restart 
the mirror.

This should do the trick.