First you must find a good render picture to put in your signature.

http://img205.imageshack.us/img205/3523/fatestaynightcharfin.png

After you put the background ( you can make a background or you can take from sites )

Click file > open and after put your background in PS

http://img696.imageshack.us/img696/4410/frrr.png

After click file > place... and put your ''render'' image in PS

http://img690.imageshack.us/img690/9859/papapap.png

Put ''render'' image in any place you want..

http://img6.imageshack.us/img6/9705/laka.png

And after make your text..

http://img710.imageshack.us/img710/3334/lalako.png

With any color you want..

http://img249.imageshack.us/img249/9382/paokseleo.png

After go to ''layer style'' and put Drop Shadow,Inner Shadow and Outer Glow.. ( you can put anything else you want )

http://img171.imageshack.us/img171/9421/paooook.png

And after put on your background Drop Shadow,Inner shadow,Outer Glow,Inner Glow,Bevel and Emboss and Contour ( you can put and another styles if you want )

http://img94.imageshack.us/img94/7236/demoine.png

And finally so easy you can do a signature!

http://img408.imageshack.us/img408/3633/gameoverp.png

Created By GameOver.