Hello Simon. As mentioned by others, you may need to dimish the scale of 
the clouds as they recede into the distance. One way I've found to do 
this is by using functions. Here is a little piece of code that uses a 
sky_sphere (POV version 3.5):

#declare Pgm=function{pigment{granite}}
#declare Scale=2;
sky_sphere{
  pigment{
   function{Pgm(x/y/Scale,y/y/Scale,z/y/Scale).grey}
  }
}

It shouldn't be too hard to make this code work with your more complex 
pigment (texture?). This method can be used for a number of 
fast-rendering background effects. If you use this method, you might 
also want to use fog, as the pigment gets really jumbled near the horizon.

Simon Adameit wrote:

> Hi all,
> 
> I tried to do some clouds using only one sphere with a texture.
> What do you think? Any ideas what I could improve?
> If not than I'm going to try to animate them.
> 
> 
> 
> 
> 


-- 
Samuel Benge

sbe### [at] caltelcom

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