Importing from another WordPress site
This is mostly a reminder for me. When exporting from an existing WordPress install and importing into another WordPress (3.0.x) instance.
Some tags were stripped for security:
http://wordpress.org/support/topic/youtube-embeds-not-working-after-import
Embedded URLs to the old site don’t get updated.
http://www.velvetblues.com/web-development-blog/wordpress-plugin-update-urls/