diff --git a/examples/3d-car-coin-hunt/thumbnail.png b/examples/3d-car-coin-hunt/thumbnail.png
index 789043df2..35cc78f04 100644
Binary files a/examples/3d-car-coin-hunt/thumbnail.png and b/examples/3d-car-coin-hunt/thumbnail.png differ
diff --git a/examples/3d-platformer/preview.png b/examples/3d-platformer/preview.png
index fa5becafd..0885edd20 100644
Binary files a/examples/3d-platformer/preview.png and b/examples/3d-platformer/preview.png differ