How it works:
1. Post an image in response to the previous image in the thread.
2. Post text, using a rhyme, that explains how your image is a reply to the previous image, text, or both.
3. As with most thread games, you can't post twice in a row.
In response to a picture of a lizard, you could post a house covered in snow, with the text, "I saw your lizard. Unfortunately, he didn't survive the blizzard."
Here's the picture to start this off: