Now make a copy of this layer ? first select the Move Tool (v) and then just drag holding Ctrl key (note when Not selected!!!)

And erase the lower right part of It Use maximum Rough Brush Position:







Now I want to paint a little (on a new Layer).







Mode Vivid Light ? color Orange.

And here it is:



You can paint all this even with mouse ? just play with the opacity and brush size. Now when we have such a beautiful orange color in front w have to do something with that background.

I will change my highlight definition.