I just finished working on this animation for the Aniboom and Saatchi & Saatchi "Nothing Is Impossible," challenge for twenty-something animators. To push myself I composed the song and animation from scratch. It turned out well and I had fun making it.
Wrapping my head around such a broad theme was tough at first, so I started small and went through a bunch of drafts and ideas.
A lot of it was just playing around until I found something that felt like it got inside the idea that there are lots of options, lots of possibilities, and that you can start small and end big and that truly, nothing is impossible: