li10up posted this on another "bike maintenance" thread, so I guess there's good bike stuff on youtube:

http://youtube.com/watch?v=D0Xt_QCHD1U

I often look back to old threads when I have a question. There's lots of good info there. I also have a great LBS, so I don't feel stupid asking questions there. I did at first, but after struggling to change my first flat, I made them show me how they do it, and we've been friends ever since. You might want to ask them if it's okay for you to watch them work on your bike the next time you bring her in. If it's not that kind of place, then maybe you can find a TE buddy in your area who can help you learn what you want to know.