In this project we masked layers to change the doors/windows/frames to have a different image than before by using the object select tool to select the things we wanted to replace in the masked layer, then painted over it with black to reveal the image

le blob ilistator page
LEGO BATCAVE> BIGGIE CHEESE DOOR MNM DOOR
LESUPRISED WINDOW LESHARK WINDOW LEMAGESTIC WINDOW
LEGODLY THE TRADE LEDOG AND LEDINO
BIGGIE CHEESE AND LELEDOG DOOR BOMBADIDO CRACODILLO LEGLARE FRAME