I recently traded for Legendary with most of the expansions and finished them out. Found someone who made dividers and downloaded and printed them... now all expansions are in the box and organized! O0
(https://www.grogheads.com/forums/proxy.php?request=http%3A%2F%2Flinesofcommand.com%2Fimages%2FIMG_3700.JPG&hash=4174c339800a1997e19fe6636da78b0d84314f55)
(https://www.grogheads.com/forums/proxy.php?request=http%3A%2F%2Flinesofcommand.com%2Fimages%2FIMG_3701.JPG&hash=6dc176284fc415a2e394008f1c83bae744c23197)
I just wrote on the generic dividers included, with a sharpie. :-[
I believe something like these were available for download on BGG when I originally picked up my set, but I didn't want to burn the printer ink when I already had something that would suffice (although not near as informative).