Change profile picture in YouTube

1. Sign right into your YouTube account and also click the 'Account' link on top right-hand man edge of the web page
2. Click the huge blue 'My Account' link in the leading left hand edge of the screen.
3. In the left hand navigating column, click Profile Setup.
4. Click the' Change Picture ' switch and also select the documents that you would certainly such as to display screen as your thumbnail account symbol on your network (you can either select a photo or a still structure from among your video clips).
5. Do not neglect to click the 'Save Changes' switch to conserve the upgrade
   you simply made to your network.

From below: http://www.google.com/support/youtube/bin/answer.py?hl=en&answer=83336

You can transform this using the Account setup web page.
Click your username to open the decline - down checklist, on which you can see the 'Account' alternative
Then click the' adjustment ' active link under the profile picture box.
Surf and also select a new profile picture.
Done