Panic At The Disco music videos?

Question

I have a question about But its Better If You do it, is Peter Wentz is the music video? I also have a question about Lying is the most fun..., In the end why do those people put them in the water?

http://www.youtube.com/watch?v=uBtH2YlNiNc&NR=1 But its Better if you do it

http://www.youtube.com/watch?v=8AZxUtZ2ZgI&NR=1 Lying is the most Fun..

Answer 1

idk about the first one.....

but they put them in the water cuz' they need water since they're fish tanks shattered.