I was delighted to be asked to give quick my ideas on easy home updates for a Living Etc. article and you can click below to see the finished article. The magazine have shown newspaper applied to the wall, but a good alternative (especially in a small space like a WC) would be a favorite book and for an old tarnished look use tea stained water.  Foreign language books make interesting graphics and can be broken up with with randomly spaced bright images and sealed with acrylic varnish. If an entire room or wall seems too much, then this idea works just as well on a table or chair. LE_Feb_D&D48Hours_CDPv2[1]