Tuning back and forth between dulcimer modes- simple!

I just thought I would post a link here to some very simple beginner hands-on explanations about modes on the dulcimer and how to use them...from my noter&drone dulcimer BLOG:

http://dulcimer-noter-drone.blogspot.com/2010/09/few-of-my-posts-about-modes.html

and also a short video showing me tuning back and forth between the four most common modes in the key of D on the dulcimer- starting right from DAd!:

http://dulcimer-noter-drone.blogspot.com/2010/02/video-re-tuning-between-four-common.html