Concept Art - Tentacle Creature

Before University I had never used Adobe Photoshop. During my first and second year we were given weekly tasks to create concept art based on a theme or object etc. One week we were tasked with creating a creature which had to have tentacles. Below is what I came up with. As I was uncomfortable with my digital drawing skills, I kept my creature simple, and decided to focus on the lighting of it and the use of textures.

Above is my creature without a texture, and below is a screenshot of my creature with a texture. 2D drawing has never been my strong point, however I felt it was important to include some of the 2D work I have done whilst being at University, to show the basic skills that I have. 

In the not too distant future I would like to practise on my 2D drawings and improve the basic skills that I have so that I can be more competent and confident when drawing.