The latest labels are used in my yamato damashii v2 - check it on its own thread. The 'harbor' typo isn't fixed for the downloadable tiles, though... (...it's fixed on my map already. check below for a v2-advertisement)
Oh, it's fixed on mine too...
While I was at it, I updated the canal...
I'm using the stock map in my current campaign, and I really like the Sunny version of the map - so I won't be switching to v2 anytime soon.
That said, I took a look at what you've changed - I like the direction that you took with the clouds, for instance, and have 'liberated' them for my v1 map - with one small change, I differentiated the weather severity with white, gray, and black clouds:
That's about all I'm changing for now because editing in raster mode is extra... fun - that's it, fun!
Also, there's really not much else I'd change anyway. I think Shortlands is what it is because of the database (and it kinda works anyway as a contraction for 'Shortland Islands'), but I would humbly suggest elevating the Solomon Islands title to be the next higher tier/format (same as Philippines, Borneo, Celebes, etc.) and adding a Bougainville label equivalent to New Britain and Guadalcanal. So the hierarchy would flow Solomon Islands --> New Britain + Bougainville + Guadalcanal (the three 'major' islands of the campaign) --> the various bases.
There's always the possibility of adding more labels, but the more I think about it, the more I appreciate the 'white space' you left in v1.
Tbh, right now I rather like to play than to fix. Guess it will take time to fix all versions with my latest labels file.
No worries, I completely understand as I need to get back to playing the game myself!