Nice work, the colors could match a little better, but the blue does work. You shouldn't have to make an XS sized signature. If the smaller graphics are working well for you, then why make a change. Everyone has their own style. I use 450X125 because thats the size I like to use. The scan lines inside the signature work well. For a signature that small, it's size is outrageous. 87KB? You should be able to get it lower without seeing any major quality degration. ...Is Degration a word?