Moqorro's Prophecy Of Tyrion Snarling In The Midst of Dragons

In A Dance With Dragons the red priest Moqorro tells tyrion he sees dragons in the flames, dragons young and old, true and false, bright and dark, and Tyrion snarling in the midst of all. What does this tell us about the future of tyrion's story and also importantly who are these dragons? Who are the old dragons? The bright dragons? The false dragons? So many questions and interesting things to consider about this prophecy from the flames.