Problems with character walk cycle - origin causes a pinch in artwork

I followed the walk cycle tutorial on Youtube by Okay Samurai. Everything's working out fine except for a problem I have with the artwork being pinched when he walks. I figured out that it is being caused by the characters origin. In the tutorial he says to place the characters main origin and the character groups origin at the bottom of the characters feet because that is where the character will pivot from. The problem for me is that the origin is causing a pinch in the artwork. No matter where it is placed it causes a problem. I attached some images to show what the problem is. Please help. Thanks.