The reference I used was made by kouotsu (http://kouotsu.deviantart.com/).
With applied modifiers: 190414 Vertices Materials: Yes Textures: Yes Rigged: No Compositing: Yes
A very important part about the materials is the subsurface scattering. It makes everything more realistic.
If you want to use this 3d model please remember to give both of the authors credit. Me and the designer I mentioned above.