Another great resource is youtube; I can't tell you how many great songs are on there; all you
have to do is look.
If there is a musician you like, do some research on who influenced them. You might find artists
or even a whole genre of music that you like just as much, if not more! Example: if you like
the Beatles, did you know they were influenced by Chuck Berry?
Good phrases to google:
Chord generator - type in chord generator in google and you will get a bunch of pages that show
you how to construct any type of chord you could dream of.
Scale generator - same as above but with scales