Recently we have gotten several reports of people having issues creating Personalized backgrounds.  After looking into the problem, the common solution is actually on the user end.

Clearing your browser's cache has been the best fix for many of those reporting problems.

For the 3 most popular internet browsers, Internet Explorer, Firefox, & Chrome, please see the links below on how to clear your cache.

Internet Explorer: http://bit.ly/6OAsAq

Mozilla Firefox: http://bit.ly/66Unsy

Google Chrome: http://bit.ly/8GRIZ3

Thanks for all the feedback!  We always appreciate when our users report bugs.  It helps us to keep the site working in top form!