There wasn't much about it...
The big bag only held a green orb like the other two characters except with a small eletric current around it. I think you might have wanted to changed that. Maybe into a square or something that wasn't in the flash already, so as to peak a bit more interest.
The animation was just basically circles turning, tweening, and electricity. It was kind of bland...
The song was rather distracting and probably the most interesting part of the flash.
I suggest that next time, you make things a bit more interesting.