Hmm you should brighten the colors of Roy some more... he looks to pale.
The lines under your phrase look a bit pixelated, try to smoothen them and then ...
Well I'm missing a kinda "relation" from Roy to the bg, youknow? Try out using some brushes and or filtres.
But I like the Idea and color scheme ^^ God job!

As Koharu said, you should brighten Roy a bit, seeing as the background is rather bright, but don't brighten him so much, just a bit so that he matches the background.

Also the brushes below the text look pixelated on the white borders. This you can fix with a touch of the blur tool, don't blur it too much though, just enough so that it looks smooth.

Another thing I noticed is that on the left of Roy in the background, the colors look kinda grainy, maybe that's the effect of the hue you were talking about? If so, in my opinion, it looks bad and I would suggest you to remove it and make the background look nice and clear.

And that's about it. You do that and I then I think you should give it another go to see if it's good enough then :]

Good luck to you n_n

The art is very manly design shows emotions of purity and strength
great design but not original the blue rising sun thing
but do keep up the good ideas make more its very manly

remember:
1. colors are always necessary colorless art is near to nothing...
2.effects makes it all look impressive removes the simplicity of it all...
3.the character is the most important thing the character gives emotion to the whole
wallpaper...
4.don't over do it...

I think it wud have done better without any texture at all ... it wud have looked cleaner ...

Sorry for the late reply
First of all I love your concept, and the Title.
The background color fit your color Hues, Roy Is pretty good quality
but if you can vector it would be perfect
otherwise well done