YouTube and WordPress

To insert YouTube videos in your WordPress blog do the following:

  1. Login to WordPress admin
  2. Go to Options >> Writing
  3. Uncheck both Users should use the visual rich editor by default & WordPress should correct invalidly nested XHTML automatically
  4. Go to Write >> Write Post
  5. Paste the ’embeddable player’ code for your YouTube video in the write box.
  6. Publish video

Link: here