I neglected to mention this because I am quite shy but there exists a podcast commentary for The Snowmen which I recorded with my friends Lawrence Sutcliffe and Scott Benson.
It is here on iTunes:
http://itunes.apple.com/gb/podcast/feexby/id557694053
Or here on Podbean:
http://feexby.podbean.com/2013/01/12/706-the-snowmen/
Also here is a noise I made about Clara’s bustle:
And here is a picture of Jenna-Louise Coleman:
Feexby 
I finally got a chance to listen to you and your chums commenting on
The Snowmen, which was fun – so thanks.
Over-scrutinising the telly-show:
I think the carriage immediately after the
(splendid) title sequence is not meant to be the one in which the
Doctor was riding – it may even be Captain Latimer’s.
Lawrence’s “no blood” rule apparently doesn’t apply to beverages.
I’m glad the Doctor got rid of those floorlamps that look like
they’re from Moonbase Alpha (e.g. overhead shot at the end of Asylum).
Most bizarrely of all:
The bottom of the helical staircase is a left-handed screw,
but the top is right-handed.
This is confirmed about 64% through when
the doctor and Clara are ascending counterclockwise, chased by
icy lady climbing clockwise, in the same frame.
The line is: “Clever staircase – taller on the inside”.
Nice!
I have opinions about sinistrorsal and dextrorsal staircases usually. Totally missed that though.