If you require the latest version of Deluge than what is currently in the Squeeze repository, there are two options open to you:
## Unstable Repository
This method installs the latest Deluge version by using the Debian unstable distribution repository.
First add unstable to your `/etc/apt/sources.list`:
```
deb http://ftp.us.debian.org/debian unstable main
deb-src http://ftp.us.debian.org/debian unstable main
```
*Note: You should use your local country mirror, eg `ftp.uk.debian.org`, `ftp.fr.debian.org` etc.*
Next set the priority for each distribution so that only packages you specify are from unstable, not your whole system.
Edit `/etc/apt/preferences`
```
Package: *
Pin: release o=Debian,a=squeeze
Pin-Priority: 900
Package: *
Pin: release o=Debian,a=unstable
Pin-Priority: 300
Package: *
Pin: release o=Debian
Pin-Priority: -1
```
Update your packages list:
```
aptitude update
```
Now install the version of Deluge available in unstable:
```
aptitude -t unstable install deluge
```
## Deluge Launchpad PPA
The alternative to using Debian unstable involves using the Deluge Launchpad PPA for Ubuntu Maverick as the release is old enough to not get any unmet dependencies when installed on Squeeze.