Theres no "camera mod" out there, yet. Unfortunately rockstar removed the original code for a free moving camera which they used to take their screenshots of the game.
The only way around this is probally replacing the player model with Sheldon or another little kid or even a midget so when you zoom in, you will not see the player. But even then you will have the clock and the radar.
If your taking a screenshot then you should crop out part of your image without the clock and the radar.
If it's a video, then you will most definitely need an advanced video editing program, like Sony Vegas. Since there is no "pan" tool in Windows Movie Maker. I've made good use of the panning tool in Sony Vegas to create a "short movie" ( 35 minutes long ) in Bully SE. You can see it here if you want -
http://bully-board.com/index.php?topic=13262.0