Linux Mint XFCE is a lightweight community edition of Linux Mint built around XFCE desktop. The desktop is not the only change against the main edition, it has modified configuration, its own configuration tools and different default set of applications.
From the Linux Mint home page:
"Linux Mint's purpose is to produce an elegant, up to date and comfortable GNU/Linux desktop distribution."
Linux Mint is freely available, complete desktop oriented GNU/Linux distribution based on Ubuntu.
Linux Mint is known to be designed for ease of use and maximal out-of-the-box functionality for desktop user. After installation you have for example working support for common media including most used proprietary codecs (flash, DVD playback, divx and so on