We are accustomed to seeing icons as bright and glossy bundles of pixel perfection, but this typical style of icon doesn’t always work for all styles of web design. For instance, grungey designs need icons to be a little dirty. While icons on a hand drawn style site should have line marks or brush strokes. In this article, we’ve rounded up 20 icon sets that break the mould of the typical icon. Here you will see icons that make use of painted brush strokes, sketchy line work, and grungy textures.