Check it out, I dun blowed me up some oranges!
How did I do it? I waited till dusk, wrapped a firecracker in saran wrap, then poked a hole in an orange and inserted the firecracker so just the fuse was sticking out. Then, with my camera on a tripod (bulb mode, F8.0, ISO 100), I lit the fuse, opened the shutter, waited for the bang, then closed the shutter. TADA!... a cool photo, using only the light from the firecracker to expose the photograph. I did it three times, and each came out looking cool, but different: