pre heresy death guard : armour WIP

hi

heres the armour for my pre hersy death guard :D , any suggestions to make it more........ something i just cant put my finger on it :s 

painting wise:

metals chos black/boltgun metal > boltgun meatl/miothril

armour: fortress grey- > white, black wash, grey line highlight -> white line highlight!

yes that is a tiny skull on his gun :)

have a nice day!

-fuzz