Help meh please?

Hey i tried another sig, the render i got was just gara normal the sand background i created myself, and so fourth, and wanted some input as to how i'm suppose to fix this, i cant figure out what to do, i want to do something similar to sig, no background kinda like its "out" suggestions would be nice and a little help heres the pic...

http://i28.photobucket.com/albums/c2...d-12copy-1.jpg


I'd like to ask as to how i make it look like mine where the background "white" doesn't show Thank you all!!!!!!!


http://i28.photobucket.com/albums/c2...d-12copy-2.png

Heres the image, well what do you think good or bad?

Show at all? When you start off with a layer, you should choose transparent.