For production-ready use, we recommend downloading the original file.The converted file is intended only for use in the web viewer. In the original file, the following are fully preserved:✔ native scene structure✔ complete materials without reduction✔ accurate texture maps✔ proper object namingIf you intend to use the asset in a production environment, choose the Original format.Cloud Fog 2D Plane to Add Atmosphere to your project. Taken from real world cloud image and extracted using Photoshop. Animated Noise