its ROTs, squaring/rotating it, or playing Numberwang: LMEKWMDEDNEVIWAF
I too went down that route. I really, really couldn't find anything that ended up logical/a password for the 7z. I think we're just circling the drain. I hope we get the final hint soon. I can just hear CA getting more and more frustrated with us. "It's right there! Just do x and y, not a, b, c, d, e, f, g and ß!".
I believe we're all just over thinking things. I know I certainly am. I'll revisit your idea with some gusto shortly. Let me close some of my many, many tabs and I'll look into it.
EDIT: !!! WOW .jpg
You're the man, xELx!
EDIT:
The original
http://i.imgur.com/ffRoQGv.jpgThe mod (large extra file inside.. again)
https://mega.co.nz/#!gpNDyDIL!FP6zdfjymlS9Y0eGimGTM0C4y47ykMncsCzkl-Z7uT0
MD5: e92ea08b9fa72d9659ba84cd66e4e534