despite "shot" already having a perfectly good past form
I reckon the past of screenshot should be screenshat
( Grrrmachine the indifference engine, Tue 31 Mar 2009, 20:02, archived)

I think that's a good idea.
Cronk, should screenshat be used?
( Harold Bishop's Love Child some sort of terrifying sex magician., Tue 31 Mar 2009, 20:04, archived)