Played around with some wasteland/ post-apocalypse costuming pics to make cameos for the Mutant infantry unit (art code TRATOS, others in art.ini).

Overall themes:
- Westwood-style position (figure shown from knees up)
- colouration to match Nod (grey-dominant) and/or GDI (yellow-dominant)
- some green highlights for the Mutant element

Unit-specific themes:
- Unit 4a: Tratos or Tiberium Healer (Mutant medic equivalent)

- Unit 4b: Feral Scout (acts as unarmed unit that has Cloak=yes and Sight=9)

- Unit 4c: Feral Mutant (wild Mutant that is very fast - Speed 6-8 - and deals medium-high anti-infantry damage at point-blank range)

- Unit 4d: Aberoid (Mutant aberration that is possibly more Scrin than Human?; runs at enemy units and does Suicide attack that releases a 3x3 gas cloud)