The player uses the browser window to play videos; but once the videos are downloaded; any player that can read .flv (or whatever format the video is in) can be used. I use the player because it has a scroll list of the files you downloaded on the left side when it is activated. As seen in the options box; you can opt out of sending any information back to ant.com
I’ve noticed that, I like it.
I also noticed that shortly after I view a youtube video in youtube, the plugin starts downloading it automatically, without me asking it to do so. If I decide I was looking for a different video and keep searching, I still may end up downloading a 100 MB+ file. In some cases that’s fine but if you don’t have much disk space you’ll want to keep an eye on this. Do you know if it’s possible prevent automatic download and make it so that it only saves the flv when you request it to do so?
Other than that I think I like it ok.