Embedding YouTube video has not changed much, but I also added Google Video to the site. I'll explain YouTube over again for those who many not be familiar with it.
Feel free to practice in this thread.
In addition to the video code, you can also use the full video URL. This may make things easier for some.
To embed a YouTube video with no custom title:
[yt]hl2UUunlI2Q[/yt]
To embed a YouTube video with a custom title:
[yt="hl2UUunlI2Q"]Aston Martin Crash[/yt]
To embed a Google video with no custom title:
[gvideo]3688185030664621355[/gvideo]
To embed a Google video with a custom title:
[gvideo="3688185030664621355"]1980's Izuzu Gemini Advertisement[/gvideo]