So I was messing around in Theater Mode when I randomly found this out. If you stop time during a Ground Pound, there are weird particle effects that change the pic, making it look like there are weird filters. And I just thought they looked pretty cool. 
Links are in the spoiler.
imgur: http://imgur.com/a/zSUvV
xbox clips 1: GameClips.io - I am the nth's Xbox Screenshot. Watch more Xbox Clips at GameClips.io
xbox clips 2: GameClips.io - I am the nth's Xbox Screenshot. Watch more Xbox Clips at Clips.Games
Enjoy!
~ I am the nth