tutorials, tutorials, tutorials, and more tutorials. Follow along, draw everything they draw. Read, browse forums, look at what other people are drawing, look at the suggestions other people are making on drawings.
Also, it helps to go easy on yourself when you do not like what you are drawing. This takes time, patience, and practice. I am not long from the starting line myself, but I am finding the knowledge is out there, you just have to look for it.