You could always create a "black circle" still image and save it a s a PNG file with transparency.
Then simply use it as your top-most layer and use Scale to control the size.
Hope this helps.
You could always create a "black circle" still image and save it a s a PNG file with transparency.
Then simply use it as your top-most layer and use Scale to control the size.
Hope this helps.
Best Regards,
- Marty