Quick On-Camera Flash Diffuser

My buddy Basile and I shot an event at work, but during the middle of it, his external flash overheated. Did he quit? No way. He took the diffusion dome off of the flash, popped up his on-camera flash and dropped the dome on top of it. Ingenious! It's not the best solution, because the dome ate away a lot of the flash's power, but it was a great quick fix.