I'm no expert but I can tell you what's been told to me. Study opening principles, not particular openings. For us lower rated players, we don't lose games because we're playing bad openings, we lose games because we miss tactics. Spending time studying an opening may be fun, but it's not where we need to spend our time yet.
Coach Heisman has a lot of good advice regarding this on his website. DanHeisman.com then click on Novice Nook.
How?