TALIBAN PROPAGANDA WATCH: Meme o’ the moment – “cross worshipers”

From time to time, I’m going to be sharing messaging memes I’m seeing a bit more frequently in Taliban messaging on the Voice of Jihad English-language site.  For example, the Taliban has been claiming responsibility for (allegedly) killing “cross worshipers” (sic):

A few more examples via Google here or here.

Why?  Maybe reinforcing the religious rift between the ISAF “crusaders” and the Taliban (allegedly) true believers?  What do you think?  Comments always welcome.