@wimvdb: yeah that was the one. Depends on the poser version (you need P9/Pro2012). Re-rendering when playing with the fading speed might not be an issue, but might when it's large size / high quality and you're interactively discussing things  with a client or so.

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Usually I'm wrong. But to be effective and efficient, I don't need to be correct or accurate.

visit www.aRtBeeWeb.nl (works) or Missing Manuals (tutorials & reviews) - both need an update though