Perhaps try the animals in a bit of an arch the way other artists have. Also chair can maybe have legs instead of being solid black. I like where this is going.
Whale doesn't look like a whale to me though. I'm thinking it should be bigger than fish and look more like a whale.
This entry comes with some further changes. However, as u said, to make it appear as transitioning is tricky. Donkey is the problem. Also I was wondering how it would be if all vertically aligned.