Image(at the top) > Canvas Size > Change the drop down box that says "inches" to "pixel" > Make them both 100 > Click OK > Say Proceed > Move the sig around till you like it > Add a border > Done.
Image(at the top) > Canvas Size > Change the drop down box that says "inches" to "pixel" > Make them both 100 > Click OK > Say Proceed > Move the sig around till you like it > Add a border > Done.