Jailbreak apps: PlayAwake – Use iPod music as alarm clock sound
Posted by: Phat^Trance in iPhone News, iPhone apps (Cydia), iPhone apps - 2$ 
Use iPod music as alarm clock sound! Just pick a track from your device’s Music Library from inside the default alarm clock app and you will wake up listening to your favorite song! This tweak fully integrates in the default Clock app! Need help jailbreaking your iPhone or iPod Touch? Then check out these guides.
Changelog:
- New preferences page for vibration, raise volume, etc.
- New option: enable/disable volume raise on alarm
- New option: enable/disable use of headphone jack
- Snooze music alarm if lock or volume button is pressed (original alarm behaviour)
- Fixed MediaPicker crash that randomly occured right after selecting a song