FREE RESOURCES FOR GUITAR- Everything http://robsilverguitars.blogspot.co.uk/p/free-resources.html
There's loads of free guitar resources on here, scales chords and more, so check them out!
There's page after page of scales for guitar and lots more getting posted every week. Any scale you could want to play on guitar will be here for you before long and all free of charge.
If you found anything here useful, then share the joy and post some links!