How to Embed and Play 720p HD (High Definition) YouTube Videos …
unknown wrote an interesting post today on
Here’s a quick excerpt
To embed a HD quality YouTube video with high definition resolution on external website or blog, simply add or append &ap=%2526fmt%3D22 code (instead of &ap=%2526fmt%3D18 to display just higher quality 480×360 video clip) to the end of …
Read the rest of this great post here