how to use a picture for a background enviroment?

[@matrix]

This is probably really basic but ive never seen how to do this where you use a really high quality picture for the background and it looks real in the scene.. such as this picture ive attached with the red roofed building in the background.

Do you just put an image on a plane and render it, or add it in photoshop? I put an image of mountains on a plane and had it outside of a house window but it looked like total trash, very grainy and blurry and out of scale.. i wasnt sure how far away from the window to place the plane/ so yea im confused lol

[Cheesemsmsm]

Just put an image on a plane.
Use CoronalightMtl, Uncheck emit light, and adjust intensity til it looks good.

[shadowman]

there is an official help that answers those basic questions:
https://coronarenderer.freshdesk.com/support/solutions/articles/5000515605-how-to-create-background-material-in-corona-