Hi Mr. Black!
Welcome to the BD forum, and a great video series too!
In terms of more BD games: first of all, I wouldn't recommend BD3 - It's got ugly graphics and is poorly designed. There's a huge selection of BD disk images (Atari and C64) available
here.
Also, I may be slightly biased in this sense, but I especially recommend acquiring a C64 emulator (VICE is the most seamless) and trying out any game created by one of the fellow forum members, such as Arno Dash, RTA Dash, Sendy Dash, etc. That way you can get real live help, if necessary.
OR, you could download GDash and play games with virtually perfect system emulation on that. Then you could play the impressively unique game, RockFort.
A different Atari game I recommend is MULE - it's a fun colonizing-an-ailen-planet strategy game.
Please stick around
(btw, I'm BoulderDasher54 on youtube)
Boulders are round.
Fireflies are square.
I need to find
a'way out of here.