Howtoforge shows you how to install XFCE on Linux Mint 14
XFCE is a lightweight desktop environment. For Linux Mint 13, the was an XFCE edition in addition to the Cinnamon and Mate editions, but for Linux Mint 14, there isn't. This short guide explains how to install XFCE on your Linux Mint 14 desktop.How To Install XFCE On Linux Mint 14