Light can be added to a scene where none existed before just as if you were adding light at the time of shooting. Realistic lighting and shadow works through a whole collection of filters. PhotoLights offers an extensive library of shapes/objects you can use as blinds.Different 'Blinds' can be combined, transformed at the same time.
Filter plugin for generating different effects in Photoshop.
EtchTone is continuous tone art Photoshop plug-in.
Its a complete set of filters for you to use immediately.
Screens plug-in ia a line conversion and mezzotint master.
LensDoc is an universal solution to lens distortions in Photoshop.
Fractals and Droste Effects.