Originally Posted by: EyepootedAwesome, I wish someone would have done a lesson about this kinda stuff and not just little parts all over the web to piece together :-)

There's a fantastic book by Harvey Vinson called 'Lead Guitar' which not only shows the Pentatonic minor & Blue scales but teaches how to improvise using them. It may be out of print now but you could probably pick up a second hand copy. Anyway that's how I learnt.