Reverse the polarity

Yes, I know he didn't say it that much, But it's really hard to come up with good titles for these paintings.

my other doctor who paintings:

1: kazekamichan.deviantart.com/ar…
2: kazekamichan.deviantart.com/ar…
4: kazekamichan.deviantart.com/ar…
5: kazekamichan.deviantart.com/ar…
6: kazekamichan.deviantart.com/ar…
7: kazekamichan.deviantart.com/ar…
8: kazekamichan.deviantart.com/ar…
9: kazekamichan.deviantart.com/ar…
10: kazekamichan.deviantart.com/ar…
11: kazekamichan.deviantart.com/ar…