So I'm trying to lose weight and slim down, any tips or helpful advice, or any success stories?

Hey GAG, I'm a 14 year old boy and I'm trying to lose weight. Right now I'm about 165 and about 5'9-5'11 and I don't really have a good self image of myself right now. I've been doing crunches for about 4 months now on and off and have gotten some results, but I'm looking for something that will really make a difference. I'm planing on asking my mom to set up our treadmill we have so I can start to walk within the next week and have a place to start. Also I just started taking baseball lessons, I actually just got back from there, and will go about once a week. Right now I just feel really bad about my size and would like to stop feeling pudgy and chubby and I would like you guys to give me some good exercises to do and some of your own experiences, so your feedback will be apriciated more than you will ever know.
So I'm trying to lose weight and slim down, any tips or helpful advice, or any success stories?
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