How can I add a background after rendering?

brianlhs

Could anyone teaches me how to add a background in the rendered picture in PS? I know that the "alpha cannel" image can help to set the transparency of a picture but I have no idea how to do so. Thanks you for answering!

thanks!.jpg

Zylescozar19

Try this 3 simple steps.

Drag

Merge

thats it :)

valerostudio

If you save as a PNG, you wont have to apply the alpha in PS. Make sure your background matches the correct lighting conditions of your render or it will look very fake. ie - an image where the sun is clearly on the left but your shadows are opposite.