Well, Ubuntu One is being shutdown and all the information will be deleted so that means that all our posts that use U1 images instead of imgur and text uploaded will be lost. Below there's a link that would search some of them. Remember that there are also text files that needs to be included in the posts or reuploaded if they are too long but prefer not having to click any link.

http://askubuntu.com/search?q=url%3Aubuntuone.com

If you happen to know another domain or way to find out the urls, just post it.