I was searching the web, as a I do, and came across these guy. He's called Nik Ainley and is a UK based designer you can great some fantastic illustrations and art. It is superb what he can do and I am really amazed with the level of detail. Included below are some of my favourite picks. Although you can find the rest of his art work here.
Some might have bigger versions. Click to see them full size.
You can check his website out here.