Day 8 of my Sketchbook Curiosity Challenge is about Leaf Veins - today I'm showing you two most common mistakes in painting leaf veins - too straight veins or too thick veins. Fix these two mistakes and your leaves will instantly look more realistic and natural! Click on the thumbnail to learn more about the challenge and download THE EBOOK, where you will find this lesson! Painting Tutorials | Realistic Art | Watercolor Painting | Painting Classes | Leaf Veins | Tips & Tricks | Summer Sketches