This interesting animated safety announcement is from the new airline Virgin America:
This computer animated safety video is from Virgin Atlantic:
This popular (and slightly sexy) video is played on Delta Airlines
This LIVE safety announcement is proof of why Southwest Airlines is the most entertaining airline to fly with... United Airlines doesn't get any applause for their safety announcements!
And finally, this mock-announcement video was made by Mad-TV to make fun of how American Airlines began charging for the most basic of items like carry-ons and snacks in-flight.