Thanks David. This only happens in Poser 7 and Poser Pro - no other apps - so I won't accept that there's anything wrong with my system.

I think you're on PC, right? So maybe it's just a problem with the Mac version.

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)