The other recommedation once you get your fingers broken in, is to play with people, be it a bassist, drummer, or another guitarist. Nothing improves you're creative skills quicker in my opinion. Drum loops and/or a simple metronome are essential for practice too.
[FONT=Palatino Linotype]"Bust a nut!" - Dimebag
"Imagination is more important than knowledge." - Einstein[/FONT]
"Imagination is more important than knowledge." - Einstein[/FONT]