LinuxBSDos.com posted a tutorial about installing Linux Mint 11 on an 8 GB SDHC card

SDHC cards, very small storage cards designed for use in mobile devices, can be used to install your favorite Linux distribution. You can install any distribution on one of these cards in much the same manner that you would to a regular hard disk drive.

  Install Linux Mint 11 on an 8 GB SDHC card