Ok, so my last preset, wasn't so good. But I soon learned that making realistic textures is easier done then said (at least for me). Here is the new and improved preset that I call Armoured. I took all the screenshots underwater.
Head (profile) :
![](http://i60.tinypic.com/2j3nn8m.png)
Head (portrait) :
![](http://i59.tinypic.com/ds7c5.png)
Body:
![](http://i61.tinypic.com/2ecmde8.png)
Tail:
![](http://i58.tinypic.com/2n6zuz9.png)