Iphone 4 broken screen and cracked front facing camera

I dropped my ATT Iphone 4 a few weeks ago and most of the upper third of the screen on the front cracked. This left a crack over the front facing camera. If I buy a replacement kit online, will that fix the problem (blurry picture), or will I need to buy additional parts to fix the camera? Also - are there any reliable, but affordable places to buy a screen replacement kit? Or any places I should avoid getting it from too, as well I suppose…

Free iphone give away that actually worked for you?

Does anyone have any experience of actually getting an Iphone or something like that in a free give away? If so what was the website or how did you find it

Is there an iphone app that adds event details to pictures?

My son's having a birthday party and I'm looking for an iphone app that adds custom border (with event details and party theme) to any picture I take using my iphone. I hope you can help me find an iphone app that does that.

How to show my girlfriend my text messages when I'm away?

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Quite often I will be at school and my iPhone will start randomly playing music, the music it plays sounds normal (not sped up or distorted) but it is really loud. The phone is only a couple months old and I haven't dropped it or anything. I even removed the controls from my lock screen, and I have a password set so it shouldn't be able to unlock itself. I do have the headphones plugged in and loosely wrapped around the phone, however, I do take care not to wrap them around the volume control on the side.

It's only a matter of time till a strict teacher hears it and takes my phone (for which my dad would kill me XP) so please if anyone could help that would be awesome.