Concept for typical Kalesian foot soldier:

[hider=Kalesian Infantry Unit][img=http://th03.deviantart.net/fs71/PRE/i/2011/203/3/e/guard_by_karehb-d41a2qf.jpg][/hider]

Came across it when sifting through deviantart for an appropriate character picture for myself. This isn't it, but I thought it was a pretty good concept for the invasion.