1. When you upload a picture, people don't comment or like it in the usual way. You add tags or hashtags to your picture and your followers will like or confirm those hashtags. For example, if your picture is cute and hot, you upload it and add tags "Cute", "Hot". Your followers then confirm those tags and you can see the number of likes/confirmations for each tag.
2. The more confirmations your picture gets, the more it rises in ranks and earns badges that are displayed on the picture. Your picture starts off cold with a Cold Badge. As people confirm it starts getting warm and hotter and hotter.
The badges are:
0 - 19 confirmations = Cold Badge
20 - 49 confirmations = Spark Badge
51 - 99 confirmations = Bonfire Badge
100+ confirmations = Supernova Badge
Also you will get an idea of why people like your pics or what they think. Instead of just getting 130 Likes, you will see there are 50 confirmations on the "Cute" tag, 25 on "Beautiful", 1 on "Hot" etc.
By the time you get to more than 100 confirmations, your picture would have been put in the rank of hot pictures.