ok, i have a pciture right and i wanna put it ona white background, but and this picuture is a square,. I dont want to take out the background, I just want to put this pic on top of a bigger white background. hee's the part i can't figure out i want like the edges of the picutre to fade into the background so i tdoesn lok like a straight squae on their but they are kind of meshed. where the edges are slightly faded into a white background. how would i do that? if you don't understand please tell me and ill try to explain better