http://v2.cache7.c.youtube.com/videoplayback?ip=180.0.0.0&sparams=id%2Cexpire%2Cip%2Cipbits%2Citag%2Calgorithm%2Cburst%2Cfactor&algorithm=throttle-factor&itag=34&ipbits=8&burst=40&sver=3&expire=1281135600&key=yt1&signature=47F7914A79222D4316939148CCDA20C0E6C1C0AC.A1758731C4088CD91D6B63D6F9076E6201DCB3D8&factor=1.25&id=4acaf6c2ad14a3df&redirect_counter=2
monggo
klik tulisan select
terus copas ke web address bar..
enter.. ntar tinggal save as.. formatnya flv