"Debian Lenny doesn't come with FrostWire included in
its repositories, but installing it is very easy if you follow the
steps below.
"1. Download the DEB package First, grab the DEB package from
the official website and save it to a location on your hard disk.
It is the same package for both Debian and Ubuntu.
"2. Enable non-free repositories If those are not enabled yet,
use your favourite text editor to edit the /etc/apt/sources.list
file as root:"