How do i put a pic into a sig?

Does anyone have a tutorial on how to put a pic into a sig and make it look like its suppost to be there?


like can someone put a pic of a male monk from guildwars into this pic?


http://img352.imageshack.us/img352/6...kground2if.jpg



I would like to know how to do that....if anyone has a tut

http://forums.gfxvoid.com/t-3898.htm

The tutorials section has many tutorials for beginners and advanced users.