"Flinks Sky 2 - Cloudy" contains 24 different cloud panoramas in 12000 x 3000 pixel resolution and a hemispherical sky dome object.

For each of the 24 panoramas, a separate skydome object is included in the library and can be loaded as a prop.
Also included is a Poser material for each of the 24 panoramas. This material can be assigned to the Skydome included in the package as well as to the "Ground" object already included with Poser, which also includes a Skydome( choose "Background" as material).