Claudia Nice shows you how to turn ink and watercolors into the coarse-barked trunk of an oak, or the burnished smoothness of brass, or the verdant velvet of moss. Or any of many other things. She shows you how to use dots, fine lines, brushstrokes, black and white, color?a mixture of mediums and techniques?to suggest:   • glass   • cast iron   • adobe and brick   • sunrise and sunset   • driftwood   • leaf textures   • basketry   • surf and ocean waves   • enamelware   • rai