my first own tut :3
Note before starting:i am using adobe photoshop CS3 and i made this fast so i will post some pictures when i come back from school.
LET'S STARTTTTT.
no.1 make your sig first(duh)
no.2 make a new layer and put it on the first one.
no.3 after that right click on marquee tool and choose rectangle marquee tool
no.4 now drag your mouse to the whole signature.now got some black and white line thing ._.
no.5 right click on your sig and click stroke.
no.6 now put your width 1 to 3 px and Location:Inside Blending Mode: Normal Opacity:100%