OK, you've read the previous I-movie posting on this blog, maybe you've even looked at some of the books in the library on scripts, special effects and movie making. You now have a movie idea and an early story board done. These links will take you to the next steps on making your I-movie.
http://www.apple.com/support/imovie/tutorial/ I-movie tutorial
http://ldt.stanford.edu/helplab/imovie/ I-movie basics
http://www.sotherden.com/video101/overview.htm
Professor Monkey’s easy steps for video production