Aiming Practice

I'm a so called Christmas Noob in mw2 on the 360, and my aiming shows it. First time using a controller to play a FPS... or anything other than SSB Brawl/melee, some kirby games, and pokemon.
Have played CA, so the concepts used in a FPS are nothing new. I just cannot aim to save my life.
Had sensitivity set to 2, got use to it. Upped it to 3 for easier spinning around. Kinda got use to it. Still have issues with finer aiming (long shots), and in really close quarters.
Other than running around in games and going 10-10, does anyone have helpful tips on how to improve one's aiming with a 360 controller?

Tried Googling a bit, but all I get back are pages on how Aim bots work, or how to aim with a mouse....

Practice, practice, and more practice. Endure the hate.

 Spoiler

You can go through the campaign on various difficulties until you think you have the controls down, MW 2 was the first FPS game I played outside of my comp, got it on Christmas too and only until about 3 days ago I've decided to take part in the Online play, and it depends on the gun too, some have higher ranges than others.
You won't be too good at first, I'm still not that good, but I still get in a few kills. xD

Gezus Christ, you must be bad...since there's auto aim on the Xbox360, whichh really make longshots much easier.

Try using all the guns besides the fully automatic ones. For example, the FAL, if you unlocked it. These guns help you focus on your target before you fire. If you use the fully automatic guns you're more likely to just "spray and pray." When your aim gets better you can switch back.

Laser/holographic sights work well too.

Don't use Sniper rifles for a while...unless you're a total sniping geek (like me). You need to get the basics down first.

Plus, CoD isn't all about aim....employ tactics. Like don't run and gun. Take it slow and steady, but don't camp, since camping is just retarded. Try also ducking to the ground when someone fires at you. It's amazing the amount that they miss by. Also, you have stun grenades/flashbangs. Use them.

If you can't help it, then be a Knifer papayagot. You don't need to aim. Just run around, dodge, jump, and ninja people.

If you hate knifing, then be a noob tuber, although I personally hate them.