Frame Spray Painting Tip: place the frame in a box, and spray one side of it with your choice of spray paint. Leave it in the sun to dry, and then flip it over and spray the other side. Hell, spray EVERYTHING in a box from now on.
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
Musings From A French Cottage: Infant of Prague Just paint your object gray. When it dries, brush over it with white gesso (small sections at a time - it dries quickly) and wipe off with a paper towel.