It's me once again, the resident newbie. At least I keep your forums busy So I am still on the Intro to Maya 2012, now in video 32. The part I am having trouble with is toward the end, when you add 2 isoparms to the back and then scale them down. Whenever I add the 2 isoparms, I get this happening:

I don't know why it's creating that lip, but I've tried it multiple times and it does it every time...so when I go to scale it in the shape gets all, well, screwy.

Which brings me to a related question, is there a proper way to add multiple isoparms at once? The tutorials never tell you how, but what I figured out was I just click and drag the first one, and then any after that I have to Shift+click and drag, I hope that's the right way.