This is an image I created a few months back as part of a collaborative project with Vitaliy Zavadskyy (https://www.facebook.com/vzavadskyy). His amazing soundtrack was a huge inspiration for this, so do yourself a favor and go listen to it.
Man of Steel soundtrack: http://www.youtube.com/watch?v=1VBmw_N2Hlg
Image without crest/logo: http://img838.imageshack.us/img838/641/moscloudmattematte.jpg
Reference images from cgtextures.com, sxc.hu and flickr.com (creative commons).