Hi Auge I still don't get it. I have enabled allow BB code to insert flash video

when composing a post I click the flash button and enter a url I get a blank white screen like this:

If I just paste the embed code in the message box I just get text like this:

<iframe width="640" height="360" src="http://www.liveleak.com/ll_embed?f=64a39007d00d" frameborder="0" allowfullscreen></iframe>

So how do I embed this video http://www.liveleak.com/view?i=ae4_1396778497