mmhh, ....
neither the render of mutliple clouds in direction of the viewing vector
showed some visible glitches nor I found rendering artefacts while
letting the cloud rotate around one of the major axis.
which version of povray do you use?
(myself using self compiled versions of povray 3.6.1 and megapov 2.1.1
under linux 2.6 on P4@3GHz/1GB)
...dave
