Thanks, Trevor. My digital pictures are made from photos with a mixture of clone and hand brushing. A few are all hand brushed from eye. The picture of the young man was from a photo of one of my daughter's friends I took some years ago in our garden, for an article in Painter Magazine I was commissioned to create. The tutorial is still on the Corel Painter website (with a few others): https://www.painterartist.com/static/ptr/img/content/community/tutorials/px/Advanced_creative_with_brushes.pdf The reproduction of the tutorial on the website is absolutely dreadful. So the picture of the young man was made in Corel Painter, but many of the pictures on my website - particularly the watercolour emulations - are made in Photoshop. I'll wait to see what happens about KB4089848 and watch the news here. I read the definitions of API but they are unintelligible to me. David
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