See the link for Resource Sharing for cool apps and such.
KompoZer is designed to be extremely easy to use, making it ideal for non-technical computer users who want to create an attractive, professional-looking web site without needing to know HTML or web coding."
Watch a video tutorial series. The first link here just tells you the background on Kompozer and what the series will cover. http://www.youtube.com/watch?v=balaIg2aLkg
The second one shows you how to download and install Kompozer http://www.youtube.com/watch?v=cEQFhGNdk_A
The third in the series gives you a quick Walk Through of Kompozer
The fourth in the series tells you how to set up the program
For a print tutorial on how to use Kompozer try SiteWizard at http://www.thesitewizard.com/gettingstarted/kompozer-tutorial-1.shtml