Four types of elites spawn on Sidewinder in flipped vehicles. The classes are the bluish-white swordsmen, the blue spec-ops plasma riflemen, the fuel-rodmen with bright blue armor, and the dark, navy blue snipers. All have strong shields, some stronger than others. Other color tints include bluish shields, and bluer colors of the plasma rifle bolts and plasma grenades. Environmental additions include drifting snow and music, Covenant Dance from Two Betrayals. The elite has also been skinned to create black highlights a la Halo 2. New weapons and changes include CHAINGUN to replace fuel rod cannon, faster plasma pistol charge, 5x pistol scope, and covenant sniper.
The drifting snow is a new feature, I think it creates a nice atmosphere that the original lacked.
Those are the basics, I'll post some pictures, but for better ones, find my old post.
This post will never be edited at the risk of messing up the poll, but please vote.
I need suggestions! I gave up on ideas 3 days and a year ago!
Spawned from the tank

Pistol's 5x Scope

Chaingun Attack!

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