Demo Assets
Shadertastic library shows up transitions and filters on demo assets. You may want to use them as a quick start.
Pictures
Videos from Pixabay
Pixabay Licence is like CC NC + don't use in a deceptive way
- tunnel-corridor-lights-abstract-79764
- network-loop-energy-technology-12716
- city-moon-dream-117052
- woman-dancing-on-the-stage-7198483
Videos from Pexels
Pexels licence like CC NC + don't use in a deceptive way
Videos from Blender Foundation
Peach project Licence is CC BY. You may consider that this is the only one requiring attribution on this page (and maybe skip it, depending on context).
Those assets weren't originally used by xurei. ludolpif have made a few unpublished tries with it.