Ok to be honest, I don't have any pictures or anything because I mostly enjoy beatbox by listening to music tracks or just randomly beatboxing at home, so I don't really record or track my progress. Even so, this platform wouldn't let me put any videos if I recorded any because I didn't sign up for the subscription oops.
Anyways, I’d like to link a few beatbox videos that would hopefully interest you. Feel free to check them out: