Sample image. See the photostream below for the full deal.

The skulls on the back are freehand. Working out Non-metallic metals technique, the sword of Lion'l Johnson is my effort at shading one side of a blade differently than the other to improve the effect compared to my ironwing symbol seen on the Vindicators previously.

The front isn't as great as the back of the banner, but here it is:

http://www.flickr.com/photos/poisonangels_40k/5479766424/in/photostream/