There are links on Ovidiu’s site of even more members of this hog-wild guitar cyberfraternity. A lot of good folks have taken the time to write/notate/record a lot of great information and you should take advantage of this fact.
If you’re still uninspired, then check out Ukulelehunt.com; there’s a great new post about the five steps to becoming a legendary blues uke player.
He’s got a new book out. You’ll save $2 if you buy today.
Yes, Virginia, you can play slide on a Uke. I know you want to.