Have at look at this:
h**p://softbytelabs dot com/us/support.pl?product=bw&msg=3183
Link to a forum thread about Bangbros. The program (BlackWidow) created by softbytelabs.com is a very advanced web spidering tool. So advanced, that you can literally rip any site on the planet with the correct filters.
You may want to check it out.
EDIT: It's a link to a forum thread discussing a Web Spidering program. While this is technically linking, wasn't that rule designed to prevent content sharing in the free section and NOT someone offering advice on a question? Argh. :/