Render settings problem- images reset zoom on deliver page

In Studio 20 for Mac I've created a revolving graphic for the bottom corner of my screen. I have reduced the full size logo down to the appropriate size and it plays fine in the edit page.
However, on delivery the graphic is back to full size and is centred in the screen.
Any thoughts as to what I might try to correct this?
Many thanks

You'll need to provide some more info, I suspect.
Tell us a bit more about your clip project, timeline and delivery settings, post screenshots that show the problem etc.