US D-Day paras - a lot (if not all) of these have the wound dressing pack on their helmets.
The following don't have packs -
standing shooting
standing at port arms - has cammo on helmet
BAR marching - (could be Ardennes range not d-day)
walking officers (both D-day and Ardennes)
standing with SMG
kneeling radio operator
.30 cal teams (lying)
80mm mortars
gun crews
Most of the others seem to have back-packs.
Some photos of my figures here - but generally front views
http://www.kerynne.com/games/USParas.html