Congratulations on your success lowering the HbA1c!
I agree that Dr. Hallberg's TEDtalk is the best short video to explain how to manage diabetes through diet.
Have you found your way to the Diabetes forum here?: http://forum.lowcarber.org/forumdisplay.php?f=45
And recipes? http://forum.lowcarber.org/forumdisplay.php?f=2
Some great LC subs for pizza and bread.