Swiftweasel3

http://swiftweasel.tuxfamily.org/wiki/index.php5?title=Apt

Ubuntu:~$ sudo vim /etc/apt/sources.list
# Swiftweasel
deb http://download.tuxfamily.org/swiftweasel hardy multiverse

Ubuntu :~$ sudo apt-get install swiftweasel3-pentiumm
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
swiftweasel-pentiumm
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 10.6MB of archives.
After this operation, 0B of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
swiftweasel-pentiumm
Install these packages without verification [y/N]?