Fix audio, add some length

As you can tell from the below comments, the audio was off. It's a very short flash, well enough made and animated, but it just needs.... more depth.

It really could have been

It's a decent flash and the animation was I seen worse but hey uhm something positive something positive to say eerrrm you have a very nice hat!

awesome but...

the quality was bad. the sound was off......

but it was funny! rofl 7/10 4/5

its not bad but...

its just idk terrible quality

Um....

It was cool but, the joker and batman both sounded the same. Still it was pretty okay.