This is avery good video tutorial about how to create a watercolor effect in Inkscape ...
Inkscape 1.2 step-by-step beginner, intermediate level watercolor tutorial showing you how to make watercolor photo mixed media designs. Follow along with Rick Johanson as he walks you through the basics of Inkscape in this free course. Step-by-step instruction on the Watercolor Filter settings and a demonstration of how to use Trace Bitmap to create vector objects from png or jpeg images.
