How long have you been into gfx? For your 5th wall, that's really very nice.
This is one thing that many
ppl tend to overlook but choosing the right pic for the render is the first and one of the most important steps of making the wall. Here, Xavi is expressionless. So choose carefully!
Otherwise the render is very nice but a lil too dark and desaturated.. The text, BG will improve with practise. But again for your fifth wall, very good work! Keep it up!
PS
This is a good example
This is Tosiek's work.
xavi 
Linear Mode
