Here’s a tutorial on how to add color to overlay brushes in Photoshop. There’s also some tricks on compositing, replacing backgrounds, matching color and adding vignettes.

To skip forward to the brush coloring technique, go to 9:05.

For my full Light Brush set (currently on discount) go here.

Download SURFER image here: https://unsplash.com/photos/ynHTVp-bcrY
Download SUNSET image here: https://unsplash.com/photos/HUOvKWXEdFY