> So By setting this option, -m1000000M50000000nN4q, quiet 
> mode is on, right?
Absolutely - I didn't see the q

> Another question, is it possible to just parse through 
all 
> html and text in a website, saving all jpg and jpeg files 
> into my hraddisk, without those html files?
Hum, 
Expert options:
  pN priority mode: (* p3) (--priority[=N])
      0 just scan, don't save anything (for checking links)
      1 save only html files
      2 save only non html files
     *3 save all files
      7 get html files before, then treat other files

Therefore, you should try the '-p2' option.

(or do a:
find /yourdirectory -type f -name "*.html" -exec rm {} \;
after the mirror)