Well, my first commissioned piece is complete and here it is. Inkscape is currently chugging away on the 600 dpi rendering.
assassin.png
This was pretty much all Inkscape and the source for everything is a big vector image, including the textures and symbols.
The setting is for the client's fantasy stories about a group of assassins: http://www.assassins.org.au/
The target print size is A3.