I'm not convinced by this I'm afraid
I personally don't think its fair for an animator to simply pick out a decent joke which someone has made up and then just make it into a flash, especially not when other animators out there are trying hard to write their own material which is original.
I can understand why you decided to do this and that it is actually a reasonably good animation of it, but I don't think it is acceptable to simply pick out a good joke and make it into a flash movie in order to make people laugh, when a lot of people will have heard it before anyway.
I know that you might think I'm being a bit harsh but this is just my opinion. If you had done this style but with a joke you made up then it would be perfectly fine, but because I personally feel you are just using someone else's joke for your flash's benefit I don't agree with it. Sorry =(