This is definitely a background for beginners.
Freezer paper or plastic cloth/garbage bag to protect your work surface Plastic cups or container of your choice to put paint in acrylic paint of your choice in dark, medium, and light values credit cards cut to various widths, or a 1" putty knife cardstock makeup sponge (OPTIONAL)
1. Cut credit cards lengthwise in various widths. Alternately, you can use a 1" plastic putty knife.
2. Place your darkest paint in one of the plastic containers. Do NOT dilute.
3. Spread DARKEST paint onto one of the credit card ends using a makeup sponge, or by directly dipping into the paint cup. the cardstock.
4. Spread the paint by quickly swiping the credit card (which has paint on one end) across the paper. Spread the paint in various directions on the paper.
5. Allow paint layer to dry.
6. Repeat steps 2-5 above using the MEDIUM value paint color.
7. Allow second layer to dry.
8. Repeat steps 2-5 above using the LIGHTEST value paint color.
Ruminations:I was pleasantly surprised by this technique. Although I used regular acrylic paint (cheap stuff in a bottle), I still got a very translucent effect similar to what you would get if you used glazes.This is the easiest background technique you will ever find.