Another method is to stay on top of this forum.
If you do not understand our answers to questions, post follow-ups.
Also, I would recomend you set yourself a goal that you want to achieve using LV. I'm thinking something that is not to difficult, but still challenging. Use the examples Dennis mentioned to figure out how to do the parts of your project.
Years ago I wanted to learn how to program in machine language. I set a goal of writting an app that would run on a main-frame that would capture ethernet packets, and save them to file (the world first sniffer program, I think).
It took a while but by the time I finished the app (along with it's sort and decode) I was macro literate.
The key is to make the goal something that you want.
Let us know if you
need help.
Ben