shakeyhands

Well I'll be..... thank you so much!

I was setting up my controls on my arcade cab, using the MAME romsets, when I somehow stumbled upon something that produced the alphabet along the bottom of the screen so I could quickly shortcut to any letter. What command is this and how is it listed in the Keyboard mapping because that is SUPER USEFUL for my purposes. I couldn't figure out how I activated this function. This is in Big Box mode by the way.

I'm new to Launchbox/Big Box and I've found that several of the custom themes are incredible BUT I seem to be missing any and all artwork for the platforms section of the UI. Looking in the directories I see they are empty so I'm guessing I need to find some files to install in there to get some lovely graphics? What is the recommended route for that project? Thanks for any help!