Quick question… why isn’t the atari 2600 overlay supported in the tool?
I have linked in other users settings into the tool, so its just that no-one has applied one yet. But if you use the No TV border option and take a look at the retroarch.cfg it produces, you can apply that to the atari one. Or you can put a request/issue in on the github page for it and I’ll see what I can do: https://github.com/biscuits99/rp-video-manager
RetroPie help guides --> https://goo.gl/Yfy8kj
Please read this before asking for help --> http://goo.gl/eLErnl