As he says in the tweet, it's not all about getting the babies into the game: he's creating a tool to convert GIFs into in-game sprites. It's apparently quite simple to pull off.

Chris Staples, aka Globetrotter "Everybody Hates," took the final Sprite Slam Dunk Showdown in Detroit. The winners will next compete over all-star weekend. GIF: Chris Staples’ 360 Eastbay Wins ...