If you have not gotten your copy of Threads january 2008 #134, I highly recommend that you do. There's an article called "Mad for Plaid" authored by Mary Ray that gives helpful tips on sewing plaid. McCalls 5466 is the pattern used. If you have not sewn this pattern yet, most certainly read this article. I also like the "Let your Feet Guide the Way"by Carol Laflin Ahles. She gives tips on how to improve your stitching using feet with verticle guides.
Bye for now!