...anywhere that I could find. It does say
NON-al-Qa'ida Sunni insurgency several places but not "al-Qa'ida Sunni insurgency" as far as I can see and,
Second, one thing you are forgetting (or maybe never knew) is that, the Iraqi borders are completely artificial and meaningless to the Sunni, Shia and Kurdish sects in Iraq. The Iraqi borders were thought up by a wealthy British woman "diplomat" back in about 1915 and were then drawn up and agreed upon by the British and the French in 1916 or so to divide up the Mesopotamian Oil resources.
It's had to find on the web, but if you Google the words "Sunni, Shia and Kurdish sects" (without quotes) and then click on the Google "Images" link at the top of the results page, you'll find these maps:
(copy these links to a new browser windows, but remove the space between utexas and .edu to see them)
http://www.lib.utexas .edu/maps/world_maps/muslim_distribution.jpg
http://www.lib.utexas .edu/maps/middle_east_and_asia/kurdish_86.jpg
(A smaller version of the top map is at the link below)
http://www.oilempire .us/graphics/shia_map.jpg (copy this link to a new browser window, but remove the space between oilempire and .us)
So yes, they are Sunni Insurgents, coming from other parts of the middle-east to help their secular brothers, Iraq is just lines on a map drawn by the British and French a long time ago to them.