#!/bin/sh
seturl=$1
lynx -dump $seturl | perl -ne 'print "http://flickr.com/photo_zoom.gne?id=$1&size=l\n" if m#([0-9]+)/in/set-#' \
| while read url; do 
  lynx -source "$url" | grep "static.*flickr.com" \
  | perl -ne 'print "$1\n" if m#a href="(.*?\.jpg)"#' \
  | xargs wget -c; 
done