Tate Britain is doing a thing involving animated gifs of artwork from their 1840s collection.
As far as I can tell anyone can go along.

You can submit your own gifs here:
www.tate.org.uk/whats-on/tate-britain/special-event/1840s-gif-party-call-submissions

If anyone's going let me know, I will try and get down there, but money and distance are putting me off at the moment.

HappyToast Groat froth