[caption id="" align="alignnone" width="500" caption="Youtube standard quality"]

[/caption]
[caption id="" align="alignnone" width="500" caption="Youtube high quality"]

[/caption]
When I put those 2 screenshots together, it is a lot easier to see how much better is the high quality version. It is now at the embed code as well so your website can show a high quality of video now.