> If I have a page that has explicit url (e.g. img 
> src='www.mydomain.com/afile.jpg>) what do I have to set 
so 
> that this file IS downloaded locally, but only this file, 
> not the whole mydomain.com site?
use 'Set Options' / 'Scan rules'
Such as:

-* +www.yousite.com/afile.jpg

or
-* +www.yousite.com/*.jpg

or
-* +www.yousite.com/*.jpg www.yousite.com/*.gif 

...