Embedding YouTube videos in pages as high quality by default

Obama address (high quality video)

Example 1a: Using <param name="src" value="/path/etc">:

Obama address (high quality video)

Example 1b: Using <param name="src" value="/path/etc...&ap=%2526fmt%3D18">:

David Kalb vs LeBron James (low quality video)

Example 2a: Using <param name="movie" value="/path/etc">:

David Kalb vs LeBron James (high quality video)

Example 2b: Using <param name="movie" value="/path/etc...&ap=%2526fmt%3D18">: