My favourite Round Robin cards to show are the ones where I was the middle player, as I have photos of all three stages in those cases, rather than just starter and finished card (when it's my starter) or what it looked like after two players, and then finished (when I am the final player). Here's the finished version of this card...
...and here's how it started.
I made some additions and sent it on!
Another finished card;
what I received;
what I added.