Soo many inspiration sources, here are a few:

RodTheSecond (vexel artists):

Spoiler:

Da: http://rodthesecond.deviantart.com/


Stgs (concept artist):

Spoiler:

Da: http://stgspi.deviantart.com/

AdamKuczek (concept artist):

Spoiler:

Da: http://adamkuczek.deviantart.com/

now i starts some lessons for graphic design, coding and video games its about 300 hours (european free program for greece )
i hope i can get myself a level up and of course to add a plus in my cv

Wow :O