Use however you like ;-)
Download this Pleated Skirt for Daz Studio/Genesis 8 Female here
To download this free prop for Daz Studio Click here
Recommended on Daz3d - Antique Clocks
I made these quite quickly so hope that they're ok. Use surface diffuse and emission settings to change the look and turn slightly towards light if side-lit. I think I might try higher resolution cloud renders from blender next time.
Related on DAZ3D - epic! - Stonemason's Iray Clouds