There's loads of great textures on Mayangs site : Metal - http://www.mayang.com/textures/Metal/html/Flat%20Metal%20Textures/index.html While they're not tiling , it'd be no trouble to paste on into a 512x512 1024x1024 canvas in photoshop, crop it to trim off excess, use the offset too to 50% (for 512, offset by 256), then…