Seems like you've run into the same 'roadblock' I've run into in all the apps I've tried [Terragen,Vista Pro, Bryce(early version),and my first choice Imagine3D]. I know there is a way around the "crawlies" as they seem to be called, but so far it has escaped me as well. Too bad really as I was looking at V5I as the animation route I will invest in as it does so many other things just superbly...as I don't own Vue I have no real right to ask these questions of their support team, but you in fact, could...have you?...they may have an answer ...

 

Once in a while I look around,
I see a sound
and try to write it down
Sometimes they come out very soft
Tinkling light sound
The Sun comes up again