whenever i get my renders theres always a black behind how do i get rid of it? because when i try to make a signature and i put the picture in theres a behind color either white or black please answer

sign up at planet renders

click on the render so its big

right click, save as...

then when you open it, there wont be a background.

omfg thx i didnt know i wuz like wtf is wrong with these people these renders suck when everyone wuz saying AWOMSE ect but WOOOT i luv u if this works