Here's my 6 chosen for the new list (will try and post the full list soon). They are pretty heavily converted from a variety of CSM pieces, tank parts and other odds and ends. The wires and tabards were made entirely from green stuff. I forgot to take some before pictures.
The paint scheme went something like this: black undercoat, 50/50 black & codex grey for armour, homegaunt purple for tabards and skin. The skin was lightened with white and dheneb stone. The metal was painted with boltgun metal followed by successive washes of washed down black and a 50/50 wash of hormaguant purple & Liche Purple.
I green lighting effect took some practice on scrap minis before the real thing, though I'm pretty satisfied with how it came out.
Next up: a rhino for the Chosen