Car construction scene by mick@lowdrag.org. I've included it in stickers as is, but a more recent version may be available.

Tux dress-up and modified aquarium scene by Brian Hefferan. I have made some modifications before including them in stickers. You may prefer the scenes as he presents them.

Safari scene by Diego Restrepo. I've included it in stickers, but a more recent version may be available.