This is my favorite mod :)
I didn't touched the MOD, I changed just png icons only. I think it looks much better now.
Screenshot from the game: https://imgur.com/G7WbV63
Bottleneck_0.9.3.zip: https://mega.nz/#!AbxD0CAa!p-MfEfayUbY-wyA0LNSVVSqcH2bKatEFqa5Rf298nWk