YouTube, Vimeo, soundcloud, then tv pot, Naver video, Pandora tv, daily motion videos
You can contribute by taking advantage of source code.
1. ' source code ' of the site want to import copy
2. in the ' write ' the bulletin you want to put the button after you click ' source ' button after clicking the ' source code ' paste
3. Enter the title, content, tags, history, press the ' register ' button after the end