I just wanted to mention www.Lifeprint.com again. They have online courses and tips on how to "speak" properly and more information than I can mention and its all free. Any one interested in learning should definately check it out.
I took a course to be certified as a baby sign language instructor. I wanted to teach my son when he was a baby and ended up starting after his speach was delayed. He picked it up very easily and so did I. The program I use suggests working with one sign at a time for 1-2 weeks and...