things you can change Change to 720p or add subtitles i like the layout but there is a lot of reuploads just sanying and may be get more people on this site.

Banners(channel and video page),and Column images! Someone might have already said some of this,but can you add banners and column/side channel images when you can

Here's an example of what i'm talking about http://web.archive.org/web/20090225012713/http://www.youtube.com/user/NewNuma

Video Downloader i think about it

Edit featured channels title &sub to featured channels

Annotation Add a feature to put links giving the user the ability to put annotations. Bringing back annotation spam.