Multi-Item Listings -- Pictures Question

[klassic*kids]

Hi!  So ...  I've done multiple-item listings several times with the same item but variation on size, But I have never done so when there is a variation on color. (Same exact shirt and same size but in 3 different color choices).  My question is how do I get the right photo of the right color shirt to coorespond with the color name choice in the variation in the drop down for potential buyers to see.

I am totally confused as to how this is done.  Any pointers?  

Thanks!