I haven't come think of it. I thought 0.0.0.0 was supposed to be speedier but I'll try it out, thanks!
# or if you want it to read another file, as well as /etc/hosts, use # this. addn-hosts=/etc/banner_ad_hosts
#!/bin/sh wget -q -O - http://www.mvps.org/winhelp2002/hosts.txt | sed -e '/127\.0\.0\.1 localhost/ D' > /etc/banner_ad_hosts