I have painted one of my Haradrim banner bearers and the two captains, and finally have found time to post pictures (half term holidays - hooray!).
So here's the banner bearer (click to enlarge all pics by the way):
The banner displays the Red Eye over a black snake.
Here is one of the captains, ready to draw his blade:
This captain stands out from the other Haradrim through his green coat and purple turban: