Debian GNU/Linux users can get the debian package of LCDproc. Please note that there may be different versions in stable, testing, unstable and experimental.
Provided apt is configured properly (/etc/apt/aources.list etc.). You should be able to install the package running:
$ su Password: top secret # apt-get install lcdproc # dpkg -l lcdproc
The last command will print the version of the package that has been installed.