Looks the same to me. It still says that its the same size length wise. Unless you havent changed it yet. It's also still 100 height which is fine I'd just change the width because it looks too long now so if you change the width it would look better imo. That and the sig limits are 600 pixels for width and 200 pixels for height.
In my opinion you should get a bit better modeling before putting them in a sig, either that or choose another image in the meantime.
And like was pointed out in a post above the model isnt very well cut out and that invert shadow dosent seem to be working out.
Not liking the sig itself either, too wide and those white-greyish spots on the middle and left look like you accidentally dropped paint drops on the sig.
Not sure about that font/color you are using either, but the placement isnt that bad.