Tiling clouds with alpha channel mask. Combine with any flat coloured sky or sky texture.
Animate for dynamic moving clouds.
Alter or blur the alpha channel for dense or light cloud cover.
Adjust the diffuse color or RGB channel to change the cloud color.
Use a radial gradient mask in your 3d package of choice to blend the tiling sky into the distance seamlessly.
Image is computer generated, 32 bit zipped tga with seperate alpha channel.