If you're new to digital photography, it can be a little discouraging when your photos don't turn out correctly. However, keep in mind that photography is like any other skill: Practice makes perfect.
One of the best ways to figure out how you should practice is to read through some tips aimed at beginners. A couple of years ago, I compiled a list of 10 Beginner Photography Tips. I received some requests to provide a few more similar tips, so I've now compiled a new list, containing 10 More Beginner Photography Tips.
Click both links to read through all of the beginner photography tips!