Images in GRASS

Hello:
  I'm a beginners in GRASS. I want to use images from my city. How can I
put new images in GRASS through a scanner of if exist other form to
include new images. I don't know what is the process to put new images
in GRASS. ¿Anybody know the process?

  Thanks a lot.

  Felix

P.D.: Excuse me for my spanglish.