Well, definitely better than it was.

Blur a little bit to fix these ugly pixels.

Commercial Lighting



Commercial Lighting



Commercial Lighting

Further and further. Switch you brush and blur brush when needed.

Commercial Lighting



Commercial Lighting

I've created some layers for better flexibility. This is optional.

Commercial Lighting


Set the brush flow to about 1%-2% and mode to vivid light and begin to paint some color.

Commercial Lighting



Commercial Lighting

Overlay the layer with some color using layer styles.

Commercial Lighting



Commercial Lighting



Commercial Lighting