Viget Inspire has a great landscape background which makes this design unique.
kulturbanause has a great background concept, inspired by nature, makes an astounding impact
Legendary Aircraft is a great design, the blue cloudy sky background and zooming aircrafts make it a perfect concept
Toucouleur has a great mountain landscape header with ornamental pattern background, making website look deep and intricate
Dizzain has a cool under the sea background and header, making the site design unique, other elements in the background make it a memorable design.
Batman and flying Bat, cool deep black grey concept for der vigilant website, original pattern work on background make it extremely impactful
Cool, original background pattern rushing into the page itself makes cube club chemnitz website truly a work of art
Another Good example of conceptual pattern work on background on La Valle website
A nice distinct conceptual background on visit cascadia website.
Nathan Sanders has a cool cloudy sky background with plenty of birds and sun rays, amazing pattern.
Great skins
It is honour to see something like that 
yes, I absolutely agree with you, I am working on it too, check out my site to learn more, thanks.