If you are interested in knowing more about the orbits of weather satellites this is a good place to start:

• Geostationary Earth Orbits
• Low Earth Orbits

• Visible Imagery
  • Interpreting satellite visible images in terms of cloud thickness.
• Infrared Imagery
  • Interpreting satellite IR images in terms of cloud altitude.

  • Interpreting satellite IR images in terms of cloud thickness.

• Combined Visible and Infrared Imagery
• Water Vapor Imagery

If you are interested in interpreting current satellite images, here are some good resources:

• Images from SSEC
• CIMSS GOES Gallery