Warm orange and yellow gradient with smoke effect

Gradient clouds with purple smoke effect on dark background

Pastel clouds and smoke background

Fantasy pink and blue glowing smoke waves

Abstract blue watercolor background with soft smoke and fog effects

Blue watercolor with smoke and fog on white for creative design projects

Abstract grunge background with white clouds and smoke

Abstract blue watercolor background with smoke and fog

Ethereal cosmic scene with swirling smoke and black hole

A dark background with swirling smoke