need help ;d

hi im new into photoshop..


so i made a mackground, but how do i put my render on that background...
:P

Copy and paste?

go into file look down and ull see "Place" click that find ur picture and double click it when u got it the right size xD

File>Open>Drag image onto your project.

but then it takes my whole background..
and then i have to...?