General

My Cosplay Compilation Videos

I've filmed over the weekend of the event London MCM Expo and I made 4 videos out of it.
I was wondering what you guys think. What's the good and bad of each videos?
Constructive criticism are welcome.

1. http://www.youtube.com/watch?v=G12h5IXxka4
2. http://www.youtube.com/watch?v=H0KHy8TMOAc
3. http://www.youtube.com/watch?v=krES3lHkIkg
4. http://www.youtube.com/watch?v=A_yzjWF6-Cs