the leds have 2 legs right and the circuit board were you solder the leds have three places were you can solder witch 2 do i solder on

There are tutorials on how to do this in the tutorial section. They've even put int a new feature where you can search the tutorials section.

Seriously dude...this is really getting annoying. You definately need to search and read some tutorials. Nobody is going to hold your hand. You come in here and speak in very broken english that is very hard to understand and you dont understand why no one will answer you. The answer to you question is stickied to the top of the hardware forum.

[me] grabs darkslider802 by the hand and whispers[/me]

The answer to your question and future questions can be found here.