[header] How to add lighting effect through photoshop [title] Duplicate the background layer. [step] This is in order for the original image to be safe. If you are using windows, the shortcut command is ctrl + j. for mac users, the shortcut is command + j. the default name that photoshop will give to the duplicate image is " layer 1.
" [title] Bring up the " lighting effects filter. [step] " look for the " filter " tab.