Batch Download Pictures From Website

The topic says all, how do i get all Pictures from in example this site (but only with a resolution up then 800 x 600)?

http://cgi.4chan.org/s/imgboard.html

It is for a friend of mine

Sry for my english, it's not my native language .

Thank you in advance.

Thank you! You're pro!

I thought i could find it out by my self, but my help don't work, so i couldn't find any syntax for the regular expression in the filters!

Thanks a lot!

Hi, i like this site very much: http://www.babes-board.ch. They have a lot of pictures from Jessica Alba. So i tryed to download this with a search request. I searched for "Jessica Alba" and paste the url in Picaloader an let him run. The Problem is: First the server for the pictures is: http ...