Notes of interest:
BACKGROUND PAINTING
If you want an opaque background colour on you project, use an acrylic matt paint, those specifically made ofr folk art being the best. I like to use Jo Sonja's background colours. Using a 25 mm or 1 inch inexpensive brush from a hardware store, or a sponge brush, apply an even coat, watching for drips or build-ups in corners or routed edges, which take a long time to dry. I never mind seeing brush strokes and don't become too particular about smoothness because I rather like the streaky look when antiqued.
When dry, sand the piece well and follow with a second coat of paint, and then when dry, sand again.
BACKGROUND PAINTING
If you want an opaque background colour on you project, use an acrylic matt paint, those specifically made ofr folk art being the best. I like to use Jo Sonja's background colours. Using a 25 mm or 1 inch inexpensive brush from a hardware store, or a sponge brush, apply an even coat, watching for drips or build-ups in corners or routed edges, which take a long time to dry. I never mind seeing brush strokes and don't become too particular about smoothness because I rather like the streaky look when antiqued.
When dry, sand the piece well and follow with a second coat of paint, and then when dry, sand again.