Read this : ) ) )

http://www.facebook.com/290576441016020/posts/342362295837434

Very useful, but why don´t you just copy it here, or link it, so we just click on it.

[When adding a new post, just click and drag over some words to highlight them, then click on the chain symbol on the top of this box, a pop-up box appears, and add the web address to the Link URL box, click the "insert" button and that´s it.]