If you are an Etsy owner: This blog post teaches you how to work with mock-ups. What are they, where to get them, and how to use them?
Free Photoshop Brush Bundle!
Inside this bundle are my eight favorite brushes I use daily when I am digitally painting in Adobe Photoshop. (And they are the only ones I need!) From sketching to lining to coloring; This brush pack contains them all.