word of advice... see as like nubius and yourself, i failed classes as well. Now, you may not think school is really important now... I know I didn't... but it is absolutely important. regardless of how boring or stupid you think a course is, you have to take it for a reason.
My word of advice to you is, "Get your head out of your butt and start doing the work they require you to do!" I know... I was there... I said, "Ah screw it." I'm not doing that cause I just don't feel like it... It got me into some bad positions, that I had to work twice as hard to get out of.
When you're young, you only want to put effort into the things you like. the things you don't like, you just do enough, or nothing at all. Later on in life, you'll find that there are Thousands of things that YOU HAVE TO DO, even though you don't like them. At at that point in your life, if you don't do them, it will be ten times worse then a couple of F's. So like I said, "get your head out of your butt, and put some effort into the things you don't want to do." Down the road... it will pay off. It pays off to everyone differently, so i can't tell you how. One day, you'll realize how. And you'll be glad you took my advice and removed your head from your butt.
Shut up nubius... don't say anything... lol