Well, your on a site that concentrates on just that, so the best bet is to check out the freebie lessons here first or go through some of the written portions of the other lessons. If you like what you see, pay $5 and spend a month trying out the lessons. There's all kindsa stuff from basic songs:

http://www.guitartricks.com/lesson.php?input=9002

to scales
http://www.guitartricks.com/2000/trick.php?trick_id=3050&s_id=28

to tapping

http://www.guitartricks.com/2000/trick.php?trick_id=1873&s_id=13
http://www.guitartricks.com/2000/trick.php?trick_id=1961&s_id=15
http://www.guitartricks.com/2000/trick.php?trick_id=2059&s_id=16
http://www.guitartricks.com/2000/trick.php?trick_id=2484&s_id=21

to shred, acoustic, jazz.. you name it.