Step 1: Scan the hand-drawn model and cut the background away.
Step 2: Color the model using brush. Layers were used.
Step 3: Making a collage background of magazine covers on the right and fat-discriminating pictures on the left. Add shadow to the background to enhance the focus of the model.
Step 4: Scan the hand-drawn gossip girls and cut the background away.
Step 5: Color the gossip girls with brush. Layers were used.
Step 6: Place multiple copies of the gossip girls on the original artwork. Adjust their positions and change their opacity to blend with the background. Add a layer of shadow to create a darker mood.
Step 7: Scan the hand-drawn camera and cut the background away.
Step 8: Color the camera with brush.
Step 9: Place multiple copies of the cameras on the original artwork. Adjust their positions and change their opacity to blend with the background. Add a layer of glow to create a lighter mood.
Step 10: Add a new layer and render lens flares on the cameras. Adjust the shadows and glows once more to suit the mood of the artwork as a whole.
References
Source for magazine covers: