Hi again with a new digital collage. It's quite hard to find images of the same resolution with free images but with collaging it's not so strict, it's a free form of art and that's what I like about it.
The free photos from Pixabay:
https://pixabay.com/illustrations/soda-bottle-old-ads-vintage-model-983293/
https://pixabay.com/vectors/bats-wings-line-art-flying-animals-4512156/
https://pixabay.com/illustrations/moon-planet-space-astronomy-1303512/
https://pixabay.com/photos/medusa-sculpture-desert-head-4802219/
https://pixabay.com/vectors/shock-absorber-hydraulic-mechanical-3605971/
They are all free to use.