Using and Comparing LaunchBar (LB) with Alfred and other Apps

No problem. I believe it only shows macros that are currently active, so that may be why you're only seeing some of your macros. As for the specific hotkeys, it seems that it does not allow for that, so if that's what you want, you will need to go the AppleScript route. There's a good tutorial for how to do that here: Trigger Any Specific KM Macro Instantly Via LaunchBar Action