smallrooms:

Papered Switch Plates: Paper, Decoupage glue, Craft or matt knife, paint brush

Instructions::: 

1. Cut paper slightly larger than the switch plate then Flip the paper over and center the switch plate face down on the paper„tracing the opening with a pencil, then mark “X” that goes from corner to corner into each of these rectangles. 
2. Glue the back of the paper„,Lay the switch plate face down in the center of the paper and flip it over „and push the triangle flaps through the switch openings and adhere them to the back of the switch plate.  
3. Cut off the corners and Fold the edges of the paper around to the back, adding more glue if necessary to make them stick. Use the end of a paintbrush to push the paper through the screw holes.let dry for at least 30 minutes. 
4. Apply 2 more coats of decoupage glue, allowing each coat to dry before adding the next coat.

(Source: marthastewart.com)