The initial idea was this:
It then turned into this:
However, I wanted to change the colour to more of a yellow/orange, as it usually resides in cave/mountainous regions, but possibly in jungles.
This is what I came up with, but the proportions and perspective, as well as the overall design displeased me, thus I drew it out again, THIS time I used an outline sketch to make sure everything has believable proportions and the perspective was correct, as well as lay out a proper light source/direction.
I then tampered with the original outline shape a little and established a light source and direction.