Okay, I'm not going to spend my last day of vacay searching his 1,400 strong twitter feed for anything juicy, but here are some links. I'm not as good at this as Coach, so it's not anywhere near complete:
A little dancing TH:
http://www.usatoday.com/story/life/entertainthis/2016/03/23/tom-hiddleston-hank-williams-dance/82152038/
Access Video youtube link with 2 TH interviews at the top of the page:
https://www.youtube.com/user/AccessHollywood/videos
Pics of this 'delightfully goofy' duo!! She seems to have been doing the over-the-shoulder pose and TH took the piss out of her for it, leading to the giggle fit.
http://www.popsugar.com/celebrity/Tom-Hiddleston-Elizabeth-Olsen-Red-Carpet-March-2016-40668038#photo-40668041
Some nice insights here - and proof he's sticking with his signature pose (which I dislike very much):
http://www.usatoday.com/story/life/movies/2016/03/23/how-tom-hiddleston-became-hank-williams/82129712/
Page with interview from the leads and director:
http://www.joblo.com/movie-news/we-interview-tom-hiddleston-elizabeth-olsen-for-i-saw-the-light-171
Okay, now I have to go off and do something productive! Or try to.