Hi Eric,
Taking great photos needs in essence 2 skills...
Natural ability/ a good eye/ artistic inclination, etc. all of which one needs to be blessed with, to take stunning photos/ create great art, etc. However with practice, learning and experience, you can certainly improve upon and broaden your creative limitations. Regular exposure to the works of other artists who's work you admire, plus a will to experiment oneself are invaluable tools to this "learning".
The other aspect and arguably easier to "master" is the technical nature of photography, for that there is really no substitute for practice and study. Start with the camera manual, and read...read...read all you can about apertures, depth of field, shutter speed, iso, etc. until it's coming out of your ears. Then practice....practice... practice... till you know what it all means and how it affects your final pics.
Once you've got an understanding of that, there post processing....
to sum up, enjoy your hobby, experiment, and always look for an opportunity to learn more.
Finally, if you post a few sample pics, we can maybe suggest specific tips/pointers.
Happy shooting....
Farhad.