Textured, fancy walls are so in right now—and watercolor walls are just continuing that trend. Check out these pretty rooms that style the watercolor wall mural really well, for inspiration on how to do it in your home.
Liven up your walls with more than just color, using one of these easy decorative painting effects. Damask Layer wide stripes of clear glaze over flat wall paint for a glossy tone-on-tone effect. from this old house website
DIY: Tuscan Faux Paint Technique - easy tutorial on applying this great paint technique to your walls. -- This is for my crazy idea of making a tiny house out of a grain silo. This technique would be perfect on the concrete block interior.