Description of problem:
1. Open painter and create a new document,
2. Add a layer and fill with a dark color.
3. Layers > Dynamic Plugins > Liquid metal.
4. Paint liquid metal on the image
5. Increase the Size
6. Paint liquid metal on the image
Size moves back to 10 when painting next liquid metal stroke
If the liquid metal size jumps back to default when painting you can
1. Click Select Drops tool
2. Click on an area with no drops to deselect all drops
3. Adjust Size
4. Select Brush tool and paint drops with the new Size