I can do that for you as far as the logos are concerned - but I need to know the ID numbers for each of the B teams that you have created. Load up your game, then go to the Preferences page - into the Interface tab - then check the Show ID numbers for editing option (or something similar, I don't have my game loaded at the moment). Then hit Confirm and when you return to the game, each team will display an ID number on its home page.
So please compile a list to include all of those ID numbers for your B teams. I'll need you to identify the name of the team and the corresponding number for it: e.g. Southampton B; 204506070 (or whatever the number is). I will then create a copy of my own English config file, input your data in the correct format, then give you a link to my Dropbox account so you can download the updated config. It won't take me long to do - I can do it in Excel and use some of its options for shortcuts.
For the kits, it may be that yours are named differently to mine because we got them from different sources. See the attached image - you can see that the kits I have are all present and correct from the beginning of last season and my file naming convention is very straight forward. Using that list you're going to give me for the logos, I can use my files to add the references for the B teams and provide you with a zipped folder containing the updated config and the kit images, which would supersede the kit images you already have.
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You'll be able to update with kits for the new season - when they are available - by making sure that each image has the same file name as the image it is replacing and overwriting into the same folder. Better to do this when the game is not loaded and then everything will be in place when you do load up.