Feedback is appreciated

Hey, this is my first time in this section, forgive me if my art is really bad. I've been fooling around with programs and made a few things.
It would be great if you could post some constructive feedback. :/.















Thanks in advance!

1st:
I dont really like this one because the light dont really shine on the Blue letters, nor reflect.
2:
In my opinion looks great.
3:
Looks awesome for just a shot.