Well... there's over 3000 lesson to choose from so there's bound to be something worth looking at: There's a ton of scales and recording info...so just spend a coupla weeks browsing around:

Here's some 3 note per string scales that should keep ya busy for while..
http://www.guitartricks.com/tutorial.php?input=28


...and a tutorial on multitrack recording....
http://www.guitartricks.com/lesson.php?input=7291