I'm a lefty like you. After getting myself hopelessly confused with articles about this and that, I asked a guy (who was also a lefty) about tuning. Basically, you have to take everything you read about tuning and reverse it. If you have photoshop or paintshop (heck Windows Paint might even work) take your chart above that you cut 'n pasted, and take the two sections "Stiff Spine Reaction" and "Weak Spine Reaction" and REVERSE them.

Edit: I just used Paint Shop Pro for you and cut/pasted/reversed the two Spine Reactions charts. Print this out and keep it, it'll help us lefties keep our bows tuned.