1) Take a video of your self and upload it to https://www.youtube.com/
2) Copy the URL of your video on http://www.youtube.com
. You will need this URL when posting your video to CS. (NOTE: You can use the Embed Code instead of the URL, but the URL is easier)
3) Click on Videos
in the top nav on CS, then click on Post Video
button on the top right of the page. Paste the URL of the video from youtube, type in a description, and click "Submit Video" button.
IMPORTANT: Make sure to click the "Yes" radio button under "Did you create or appear in this video?", so that the video will be marked as a Vlog and will show in the Vlogs