how to download nzb free with ubuntu linux ipv6

Download Sabnzbd, I currently use a premade deb from http://www.mbastiaan.nl/sabnzbd.php

install with :
sudo dpkg -i sanzb...

run as application :
sabnzbd -b 0 -s 0.0.0.0:8080
run as daemon :
sabnzbd -b 0 -s 0.0.0.0:8080 -d

Add news servers :
News Host             Size    Retention  Connections  Speed
-----------------------------------------------------------
news.ipv6.eweka.nl    400+Tb  120 days  4       20mbit/s
newszilla6.xs4all.nl  40+Tb   18 days    3            150kb/s
reader.ipv6.xsnews.nl         107 days   10           20mbit/s 
     signup at IPv6 Test

Get more servers @ http://www.ubuntu-unleashed.com/2009/03/howto-easily-get-free-newsgroup-access.html

How to setup tspc ipv6-ipv4 tunnel thru NAT on ubuntu linux

sudo apt-get install tspc
sudo vim /etc/tsp/tspc.conf

#Find the userid line and enter your useid for freenet6, then find the passwd line and enter your #password you set, then set the server as broker.freenet6.net
#Like this:
userid=your-name
server=broker.freenet6.net
passwd=your-password

server=montreal.freenet6.net
#or
server=amsterdam.freenet6.net       

try :
tunnel_mode=v6anyv4
#or
tunnel_mode=v6udpv4

retry_delay=3
keepalive=yes
keepalive_interval=1
if_prefix=eth0
----- 8<  ----- 8<  -----

sudo /etc/init.d/tspc stop
sudo /etc/init.d/tspc start

check ipv6 connection :
ping6 -n ipv6.google.com