In this Photoshop Elemenets tutorial, learn an easy way to convert a photo into a detailed, color sketch! Step by step tutorial perfect for beginners!
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Then I recolored the top layer to a purple tint. Flattened the image, duplicated it and on the top layer did apply an artistic filter (which I can't find in my Swedish-English list of Photoshop terms) - Filter-Artistic-Something with Edges in the name perhaps? Then changed the blend mode on this layer to Color Burn.