Hi Strummer :
I would suggest you take a few guitar lessons from a local instructor. I think this kind of thing is difficult to learn without having someone right there who can guide you. I was initially going to suggest tutorials on youtube, but since you tried that, I'd say finding someone who can teach you in person is your best bet. Need not be an extended set of lessons; since you've already evolved your own style, you 'd likely catch on quickly.

I myself would not try to learn how to fingerpicking from written instructions or video - as they say in Missouri : show me.