I had a feeling... I have just been renaming to create addon vehicles out of everything and don't have any issues at all with any of them. Once you get into the groove of what's needed, LML is a really fast way to have a lot of vehicles available and switch them up easily! I never thought OpenIV editing was all that difficult, but it meant fully replacing the mod folder copies completely with custom ones and finding that one little xml bug in a file is a lot more time consuming than troubleshooting an LML loaded asset!
Thanks for your work. I hope it'll become even more user friendly with more things available in the GUI like deleting mods from the list, renaming, etc. As well as some more documentation and examples of what is available to the install.xml (like how you explicitly mention you can use update: but I found that if I need to replace something in common.rpf, common: works but isn't mentioned) will be awesome. I know digging through Coastal Callouts is a good learning tool, but the wiki documentation is easier reading for starting out and could use more lists of data file types, etc. 😉
Now that I'm more comfortable, I can more easily see at a glance what is going on in a more complex install.xml. But really, thanks again for this! Once up the learning curve it really is much more rapid to pull something you want off the site and get it into the game.