how did you get thise poses?
The one with the Elite was a glitch, i have a modded Slayer gametype i found, where you have no weapons and start off with a Flame Thrower and maps that have it available, you drop the flame thrower to have no weapon, TheProphet1400 (The guy who was the Elite), unequipped the Flame Thrower, stood above it, threw a grenade, and due to the Elite (ELITE ONLY) having a special 'No Weapon Grenade Throw' animation, as the animation continued going, he quickly picked up the Flame Thrower and his animation froze, but his grenade still flew
Other poses are easy to get, you just gotta know how to do it