Well.. after reviewing the mirrors of the sites that i had mentioned i found
the reason for the external images (dunno why but they disallow the images in
the robots :/).

But, the crash still remains, tough httrack continues. It reports something
like:
PANIC! : Crash adding error, unexpected error found.. [4250]
(4 times with a depth of 3. less than 3 doesnt make this error)
Pity that there wasnt some mention of the links in the log, even with debug
logs and debug headers.

Site: www.ina.pt