Used and verified by me on a Linux Ubuntu 8.04 Hardy Heron System.
The repositories are as follows: (#cat /etc/apt/sources.list)
## +++ Linux Mint 5 Elyssa (stable) +++
deb http://packages.linuxmint.com/ elyssa main upstream import
## +++ Backports (not as stable) +++
## deb http://packages.linuxmint.com elyssa backport
## +++ Community (not as stable) +++
## deb http://packages.linuxmint.com elyssa community
## +++ Romeo (unstable) +++
## deb http://packages.linuxmint.com elyssa romeo