J’ai utilisé ceci :

https://upload.wikimedia.org/wikipedia/commons/thumb/a/ae/StillLifeWithASkull.jpg/1200px-StillLifeWithASkull.jpg
Vanitas de Philippe de Champaigne

Et ceci :

https://www.technocrazed.com/wp-content/uploads/2015/11/HD-Galaxy-Wallpapers-Free-Download-118.jpg