The source material is of different sizes. The Icon Maker put them all closer to the same size. I can switch with anyone who comes up with a different one, but for this set at least, here is what I am using.
Ill need to toss one up but havent had time to do much online. Just got married and may be moving with a new job. I can try searching tonight or you can grab something for me if you want to speed it up. Im not picky.