I confess that my decision to colour Sky's brighter optic red stemmed from reading a fic, though this picture is by far not an illustration of the fic. The symbolism of the mismatched eyes to represent his inner turmoil was just something that stuck with me. I believe the fic was called... uh... *digs through ff.net* FOUND IT:
[link]It's long for a one-shot, and a refreshingly unique take on a plot that at first seems (deceptively) cliche.
And, oh boy, long!fics! I'll have to find time to read them, perhaps next weekend if I can set aside all the stuff I'm supposed to be doing and if I don't have a lot of HW...