This guy has an awesome website with video lessons: http://www.justinguitar.com/
I won't waste time tabbing because you can find all this on google. But a general start is to learn this:
Major Scale and it's modes (Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian)
Pentatonic Scale
Blues Scale
For 99% of Western music the above is all the scales you'll ever need to know, but if you ever want to get into Jazz, or more advanced Rock playing (i.e. shred) you'll need these scales too:
Melodic Minor and it's modes (Melodic, Dorian b2, Lydian #5, Lydian Dominant, Mixolydian b6, Locrian #2 or Aeolian b5, Super Locrian or Altered Scale)
Harmonic Minor Scale and modes (Harmonic, Locrian #6, Harmonic Major, Spanish Phrygian, Phrygian Dominant or Double Harmonic Major, Lydian b3, 7th mode or Diminished)
Bebop Scale
Diminished Scale (whole-half and half-whole)
Whole-tone Scale
When practicing scales, use a metronome, practice every position of each scale, practice different scale sequences. Learn all your arpeggios, first triads, then seventh chords, ninths, elevenths, and thirteenths. Major, Minor, Dominant, Diminished, and Augmented.
Then start learning other people's licks and relating them to the scales.
Good playing is more about emulation then innovation, the most "innovative" players are always deeply schooled in the playing of others.
