How about offering online bass lessons to go with the videos?
"Freedom of expression is important, but I have learned that people want to know how much you care before they care how much you know." The only time a bass player gets noticed is when he stops playing.
TI Flats are indeed great strings, but I think the Beatles Jazz Bass sound involves roundwound strings - the tone you're getting is almost dead on but perhaps a tad too bright, as you said.
You should try TI's on the v63, I think you'll be pleased!
Timothy, I came back today from my (short) summer holiday, so I did not try them yet...
I'll visit a couple of big retailers here in Rome in the next days