I had one of my games linked on Twitter with a summary card and I noticed that the image it uses is a still of my game's cover, which is a gif, blown up a to larger size. Naturally this looks pretty bad because the gif is small and compressed. Would it be possible to have Twitter summary cards grab a screenshot instead of the cover when a game's cover is a gif, or is that stuff all generated on Twitter's end? Here's the tweet, for reference: https://twitter.com/Pizzamakesgames/status/930907738800054272.
Is it possible to change which image is used by Twitter summary cards?
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