1- Sounds like your Stage window wasn't large enough when you hit render. Just stretch out the bars surrounding it so that you can view your project at 100%, or hit Alt+3 to maximize the stage, and that should allow you to render the full frame size.
2- Your frame rate for that clip may be wrong inside Vegas. It usually defaults to whatever the frame rate of the project is. Right-click on the clip and go into its properties, where you should be able to adjust it to whatever it was in particleIllusion.
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Elvis Deane!
The Apprentice Magician's Guide to particleIllusion
The particleIllusion FAQ
