This article will help you to get your club penguin avatar from Club Penguin's files in jpg.
How to find a random avatar in jpg:
1.Go to clubpenguin.com
2.Open the Web Console in Firefox and login normally to cp.
3.When you go to the menu with the server selection, check the web console for links like that:
4. Open it by clicking it and copy-paste the Request URL. Paste it on your Bar that you put links.
5. You will see a random avatar from your friend's list. The bunch of letters and numbers are the player's SWID.
How to find a selected avatar:
See that link and replace the SWID text with the selected player's id.