DIY Joint Compound Stencils: Before painting your walls/ceilings, use a stencil to create raised pattern. Holding stencil in place, apply joint compound w/putty knife over stencil. Remove stencil to reveal pattern, allow to dry thoroughly before painting.
One of my favorite techniques when spray painting a frame is to spray some of the deep grooves black first, and then go over it with silver spray paint. It gives it a nice, dimensional look. From 10 Spray Paint Tips: what you never knew about spray paint
A veteran painting contractor shares his secrets for painting walls fast, yet producing first-rate results. You can easily master these techniques too, and get a professional-looking finish. Learn these and the fastest way to cover walls at