how to post a picture in the forum

Ive got a simple question thats been bothering me for a while i dont know how to post a pic in the forums i know a little about computers and im easy to catch on but i know its not real hard to do... you use something like and http but i dont know how to post up pics can anyone tell me how to do it?

go to the pic you want and right click on it, copy the pic's web URL then pase it into this code

>img src=PASTELINKHERE>

but switch the > around to a