Just me, keeping a record of my experiments.

Prime

1. Prime with Uniform Grey
2. Zenithal prime with Matt White Undercoat

Base layer

1. Base coat with Mournfang Brown and Deathworld Forest
2. Layer with Skrag Brown between Mournfang Brown and Deathworld Forest
3. Layer Elysian Green on top of Deathworld Forest

Wash

1. Wash with Agrax Earthshade

Layers

1. Drybrush Baneblade Brown
2. Highlight with Ogryn Camo
3. Thin layer of Sotek Green and drybrush of Ogryn Camo on loin cloths.
4. Squig Orange followed with Kislev Flesh on pinkish leaves
5. Smallest highlights with Ice Yellow
6. Thin layer of Ushabti Bone , Squig Orange and Lamenters Yellow and drybrush of the layer below on sigils. I don't like the effect and might need to find a different method.

Goblin

1. Rakarth Flesh base layer
2. Wash with Druchii Violet
3. Drybrush Squig Orange
4. Smallest highlights drybrushed with Ice Yellow

Skull

1. Base layer of Zandri Dust
2. Wash of Agrax Earthshade
3. Highlight with Ushabti Bone
4. Smallest highlights with Ice Yellow

Bases

1. Caliban Green base
2. 50/50 PVA glue diluted with water and Army Painter Battlefield Grass Green