Matching the light source

In this exercise we are going to fix the one remaining problem with this…composition, it's beautifully masked;…we have these nice hairs over here on the right-hand side.…We've got these highlight bounces around the left-hand side.…In terms of the masking and compositing, I would say this image is nigh on impeccable.…However, compositionally, it's totally messed up.…And here's the problem.…Notice the light sources, where she is concerned the light is coming in from the…upper left side, because it's reflecting off the upper left side of her cheeks…and her shoulder and so forth, whereas in the background, the light source is…coming in from the upper right-hand side.…

Check out the shadows over here that are being cast by the grass, also the…highlights over on the building and so forth. That is bad.…You may not have noticed this problem at first, as soon as we reconcile it,…their overall composition ends up looking much better.…And here's what we are going to do.…We are going to go ahead and take this future city layer.…