Unarmoured but armed Military vehicles.

The *classic* picture of a Long Range Patrol Vehicle is at
http://remlr.150m.com/pics2/lrpv.jpg
Which IMHO is one of the great military photos on the web.

Another really good one is
http://remlr.150m.com/pics2/lrpv_afg7_med.jpg
Taken recently "somewhere in Afghanistan"

More pictures of the same ilk are at
http://remlr.150m.com/lrpvinservice.html

Some data on the australian LRPV - Long Range Patrol Vehicle:
http://www.csse.monash.edu.au/~lloyd/4/LandRover/Military/LRPV/

Note the bike often carried:
http://www.webone.com.au/~myszka/Aust/Walkaround/LRPV/lrpv3.jpg

One showing the basic truck variant - good because it shows the
Hex cammo for tarpaulins:
http://www.csse.monash.edu.au/~lloyd/4/LandRover/Perentie/Peren6x6st.jpg