No post work was done to the promo images.
Other products used in promotional images:
character: Mademoiselle Vanite by Raiya (DAZ3D)
hair: Petit fleur hair and Magic for petit fleur hair by SWAM and goldtassel (DAZ3D)
szene: Silence with Silent Illumination textures by LaurieS (DAZ3D)
poses: Elegie by Varnayrah (Renderosity)