Explosive. Love the color and the chaos. I also like the organic swirls the fire creates. The border helps moderate the space so I don't get pulled out of the image. Only downside is the focus isn't sharp, not sure whether complete sharpness is possible but I wish the flames were a bit more defined. I gave a 6
Besides just not being a very interesting composition, there's one speck of orange in the bottom of the upper left quadrant that is very distracting. It's the first place my eye goes every time.