1.Download FLV videos from YouTube and other video-sharing sites to Mac. 2.Automatically detect the internet videos from flash video-sharing sites you opened in both Safari and Firefox. 3.A functional FLV player to play the downloaded videos and your own videos 4.It supports multithreading so that it can download multiple online videos at a time. 5.Provide you with the download history list to let you know what videos you have downloaded in the past. 6.It is a professional downloader developed for Mac PowerPC and Mac Intel (including Mac OS X 10.5 Leopard and tiger) users. 7.Allow you to customize various options to make the program the easiest for you.