Here is the easy procedure to download Youtube files
1. Goto any of the website www.ddl2.com, wareznova.com, powerddl.com
2. Download Internet Download Manager with crack/key
3. Install Internet Download Manager.
4. Open Options--> file types --> add 'FLV' ( dont add quotes)
5. Open any flv file sites .. like www.youtune.com, www.metacafe.com
6. Play the file and find a option " Download the file" in the top of the video
7. Download and enjoy the video